This video shows how to install, configure hMailServer and integrate Outlook 2013 with hMailServer. " Select your Yahoo! POP account and click the "Change" button. In Solution 1 we showed you how to add a new email account with a specific port, but sometimes you need to change the SMTP port in order to fix the problem. To change these preferences in the Mail app on your Mac, choose Mail > Preferences, click Accounts, click Server Settings, click the outgoing Account pop-up menu, then choose Edit SMTP Server List. Click on the "Next" button on the Email Account Wizard, then click on the "Finished" button. smtp change port. status with. Remote TCP/IP port: TCP/IP port of the SMTP relay server on which it listens. SBC Yahoo!. Supported by the majority of servers, this port is a popular choice for handling mail submissions. hmailserver. In the box labeled "Password", enter the password that corresponds to your "Email address" entered above. So you need to check whether your SMTP Server name in Reporting Service Configuration Manager is correct. NOTE: You may also use your ISP SMTP (e. On the operating system command line, type the following to remove the existing server table entries for SMTP. WHat you chnaged now makes your server *listen on incoming mail* on port 465. This article will show you how you can check to see if Port 25 is blocked on your network. Gmail works well with Thunderbird, but it's quite common to have problems configuring it because it's not standard-compliant. It supports the common email protocols (IMAP, SMTP and POP3) and can easily be integrated with many existing web mail systems. Enter a TCP port in the Port text box. My Thunderbird settings let me authenticate and send mail when the SMTP server is using a non-default port, but not when it's using 25, the default port. This port is used by all outgoing e-mail servers, and email programs which send email such as Microsoft Outlook and Mac Mail Test outgoing smtp port 25. On the left pane, select the entry Outgoing Server (SMTP) and the settings will appear on the right. Define, create and deliver documentation - hardware/software configurations, change control, downtime/availability, problem/resolution, procedures, resource usage, etc. This guide is for changing an existing email account's SMTP server from your ISP to StudioCoast only. Open the "Outgoing Mail Server" window. Secure SMTP server - secure, reliable SMTP mail relay server for your outgoing mail. All these servers use SSL/TLS. It is an Internet standard for electronic mail (email) transmission. Setting up local mail server. By default the POWERCHUTE sends the SMTP port 25, need to change SMTP port 587. The PHP’s mail () function every time opens and closes sockets to the email server and thus email sending becomes slower. Well, when I finally click on the properties of the default SMTP server, it brings up the properties tab set for the default SMTP server, but where you are suggesting the list of IP address should be is just "All unassigned". I have been using hmailserver for 8 years. FAQ:TalkTalk - What are TalkTalk's email settings? Answer; You can connect to your TalkTalk e-mail mailbox via a number of devices and software applications. Then you could check whether you could send emails using SSMS(Database Mail). If your client does not support SSL/TLS please use port 587 and disable SSL/TLS. 6 When I try to set up and test a new email account addressing an SMTP server that seems to e using a nn-standard port number, how on earth can I even look at the port number assigned by default to a new account in Apple Mail 10. The SMPT screen on the IPO looks like this: Server address: 192. If you want to run your own SMTP server, hMailServer might be a good one to try first. I recently added a new domain and it will not receive emails. The part that's killing me is the SSL part. How to Check if SMTP Port 587 is Not Blocked?. In the Windows operating system, users can find the IP address of an SMTP server by using the "ping" command and the server's hostname in the command prompt. iss (using InnoSetup) This will build the hMailServer installation program. PORT NUMBER should automatically Be Set to 465. Running in Debug. SMTP stands for Simple Mail Transfer Protocol, and is the protocol used to send email to any outgoing email server. hmailserver. MANDATORY: With XDove using XMail ESMPT set port to 50025. Set the remote host name with the DNS of your email provider, for example, smtp. If I enable SSL Iam getting Timeout. i dont want to access my mail server from outside the lan, just. here's Miles Libbey from Yahoo on sender authentication. Important: Only use this document if the client you are attempting to configure is not listed within: Office 365 - Set up your mobile device or desktop client. projectattack. But nobody will send you anything there, except possibly IMAP/SMTP clients that you control. Inbound SMTP port settings determine how the IBM ® Lotus ® Domino ® SMTP listener receives SMTP connections from other servers. Example configurations SMTP on localhost. The default setting is port 110. hmailserver. Primary SMTP Server. It supports SMTP, POP, and IMAP. You can use it with personal emails, or even with your website if you are sending emails for things such as contact forms, newsletter blasts, or notifications. A good starting point is the test class EmailLiveTest and EmailConfiguration which are used for testing commons-email with real SMTP servers. ) shouldn't use this port. IMAP server settings for Yahoo Mail. Please note that some ISP’s block mail relaying through the default SMTP port of 25, so you may also need to change the outgoing server port (in advanced settings) to 587. For the best experience/support, we recommend that you connect to your Office 365 account using Outlook on the web via a browser, or Outlook client for desktop/iOS/Android. Iam using amazon ec2 servers. SMTP) on the port 465 to provide a secure client server connection. I followed those step to get where I am now. Define, create and deliver documentation - hardware/software configurations, change control, downtime/availability, problem/resolution, procedures, resource usage, etc. Change your Send-Connector's SMTP port from 25 to 3325 or what ever port you need. Hello guys, I want to change the SMTP port for alerting emails. Is there another SMTP port other than Port 25 I can use? If your ISP does not allow you to use mail. Click the Continue to Advanced link. Tried all possible solutions to telnet port 25 no success, only telnet to 110 is fine. If you are unable to send email but are able to receive, you may need to change your outgoing SMTP server port to 2864. Sometimes, however, Internet Service Providers (ISPs) block Port 25 or your domain mail server provider requests that you use an alternate SMTP Port to process your messages. All of a sudden my 2008 r2 server stopped listening on port 25. com Calendar for Windows 10 Outlook 2019 for Mac Outlook Calendar for Windows 10 Outlook for. If I remember correctly, hotmail uses a non-default port and, if that is the case, we simply can't use hotmail with IBM BPM using the IBM supplied email mechanisms. Please note that some ISP’s block mail relaying through the default SMTP port of 25, so you may also need to change the outgoing server port (in advanced settings) to 587. projectattack. The mail server is generally smtp. E-mail - MSA / Alternate port SMTP service. yourISPname. Then the second instruction, I found I had "Server smtp. How do I change SMTP server hostname or IP address in AIX? In VI search for the “DSsmtp” string and make the change according to your system configuration. I can access other SMTP servers all fine through 25, and disabling my own firewall didn't help. Otherwise, leave. Hmail Server Configuration File - Change Root Password Well I lost my root password of my mail server - hmail server 5. This document describes how to configure non-XI user (Core) contacts to use the SMTP phpmailer settings from the email management interface. com:25 Trying to connect to host mail. com offers free software downloads for Windows, Mac, iOS and Android computers and mobile devices. Solution: Figured this out. To prevent spamming it’s possible that your ISP blocks the default SMTP port, port 25. Launch the hMailServer Administrator utility. Error: Could not connect to this SMTP server. I cannot get the code to work if I try to access Gmail using port 587, even though that's the recommended port and the one that I've always used to configure an e-mail client like Mac OS X Mail or Mozilla. Below you can find the configuration settings for all protocols. IIS on Vista does not come with its own SMTP server. make sure your firewall has an exception for SMTP port 25. Unlike IMAP4, POP3, NNTP, and HTTP, SMTP in Exchange 2000 does not use a separate port for secure communication (SSL), but rather, employs an “in-band security sub-system” called Transport. projectattack. Some email providers allow you to use an alternate port, in my. NET uses an SMTP server on the local computer. uk Now, whenever you send an email, SpamPal will automatically auto-whitelist it. 1 Client was not authenticated " verwechseln - diese Meldung kommt tatsächlich von Exchange. My email service is Office 365 (Exchange Online) and I get informations above with admin:. com and have opened port 25 to accept incoming traffic: smtp. com on port 587. Create an outbound tcp User Defined protocol in TMG 2010 for port 3325 and associate it to the SMTP protocol (you will see the option when creating this). IIRC, Continuum won't respect a change to the working directory for existing projects, it will still check them out in the old location. This video demonstrates how to change the outbound SMTP port on the Smarthost in Microsoft Exchange 2016 using PowerShell. These instructions only apply if you are using the default Mail App included with Windows 10. Look in the Eudora directory for the directory "extrastuff". Click OK to save then Close. I can not use port 25 for outgoing mail as there is a conflict. in file and restarted zimbra and it works. How to set up a new email. To access services such as POP and IMAP mail servers, you must open certain ports to allow the services through the firewall. To the outside world, this previously working port now appears closed (verified on CanYouSeeMe. I tried the following. Re: Port 25 Blocking, or Fix SMTP and Leave Port 25 Alone for the Sake of Spam? Suresh Ramasubramanian – May 16, 2005 6:58 AM PDT To throw some fuel in the fire, right before I shut my laptop and board my plane. Change the port number from 25 to 26. 10 Specification, 32. To determine whether port 25 is blocked, try typing telnet mail. You don’t need to change any Hotmail settings, but the mobile phone, e-mail program, or service may need you to enter your Hotmail POP3 settings when you're adding your Hotmail account. Click once on the name of your email program (it will be blue and underlined). “”Where can I change the SMTP Port Number for the Outgoing Mail Server ?. Re: Port 25 Blocking, or Fix SMTP and Leave Port 25 Alone for the Sake of Spam? Suresh Ramasubramanian – May 16, 2005 6:58 AM PDT To throw some fuel in the fire, right before I shut my laptop and board my plane. com, which is my gmail domain with ipo added in front of it,. Yahoo supports access via IMAP, POP3 and SMTP protocols. I followed those step to get where I am now. WebMailPRO, SMTP. Look in the Eudora directory for the directory "extrastuff". To determine if an issue on your local network is causing connection issues, type the following command at the command line, replacing port with the port you're trying to use (typically 25, 465, 587, 2465, or 2587): telnet email-smtp. Yahoo Plus Outgoing Mail Server (SMTP) – plus. 2 807574 Dec 2, 2004 11:46 PM ( in response to 807574 ) Alright Jay, Thanx but I want to be sure about something that after this change does there any change on our Webmail or do we have to make extra changes for that. Figure 8 Configuring hMailServer With the installtion of hMailServer successfully completed, the next step is configuration. Configuring Core Contacts to Use XI’s phpmailer SMTP Settings. You can expect a reply via return PM (the blue envelope in the upper right hand corner of this site) in a business day or three. The notice instructed me to "update" my POP email application's outbound server setting from "outgoing. This should never be set to localhost which will cause trouble. Enter the port number the SMTP relay server is running on. Re-enabling port 25 has returned my email notifications. Start sending emails in minutes with our easy integration process and benefit from years of experience in getting emails delivered into inboxes. Inbound SMTP port settings determine how the IBM ® Lotus ® Domino ® SMTP listener receives SMTP connections from other servers. Hmailserver and IPO Embedded Voice Mail 2. hMailServer RECEIVE mail on port 25 hMailServer SEND mail on random port > 1024 - Receiver must per RFC RECEIVE mail on port 25, se previous line. 45 port 25, without authentication. It avoids having to run an SMTP server as a forwarder, and it doesn't directly authenticate with Google, so I can set each client device to use different credentials. See also: A List of SMTP and IMAP Mail Server (Mail Server List). There are many reasons why you would want to configure Postfix to send email using an external SMTP provider such as Mandrill, SendGrid, Amazon SES, or any other SMTP server. This same technique works on Linux and Unix at the terminal command line. Search for jobs related to Hmailserver setup smtp router or hire on the world's largest freelancing marketplace with 15m+ jobs. You cannot change the default port for SMTP Communication in Microsoft Dynamics NAV. The server names are:. On the left pane, select the entry Outgoing Server (SMTP) and the settings will appear on the right. Re: Change outgoing SMTP port I don't want to change the port iRedMail is listening on, port 25 is OK for that. In most cases, SMTP is assigned to port 25 in the network's Exchange server. Hi Peter – This approach will certainly work, but is a royal POA when you arrive at your Toronto hotel at midnight & need to go looking for the local ISP settings, change them, change them back when you get home, etc. Exchange 2007 uses RECEIVE AND SEND connectors, one for receiving mails and other for sending mails (obviously ;) So you need to change ports on those connectors. First, Start Mail then. With the navicat it seems that accepted. just like how a desktop email program worked. In this video, I have described how can you configure SMTP settings in hMail server and then configure email client (in this case live mail essentials) to send and receive emails using hMail server. At which step do you get into trouble?. I'm opening hmailserver administrator tool and then settings-> advanced->TCP/IP ports and change the default smtp port from 25 to 587. hMailServer를 활용새어 윈도우7에서 LocalHost에서 SMTP를 보내기 위한 설정을 다음과 같이 정리하였습니다. Become a member block outgoing traffic on port 25. First, we need to change the port on which hMailServer will listen for incoming SMTP mail. Note: Some ISPs will not allow you to use NameSecure outbound mail servers. Port 80 is the default port for http traffic. -I have set the Fully qualified Internet host name to "preview. Click the Edit button to actually change the port number assignment. Then go to Settings -> Protocols -> SMTP, locate Delivery of e-mail. Seems reproducable for a few versions. I have a cname pointing smtp to projectattack. com (server requires authentication) port 25 (if ISP blocking port 25, then use port 587). From there, enter your current password and new password, and select “Save”. This guide is for changing an existing email account's SMTP server from your ISP to StudioCoast only. A Usual Question people have in mind is regarding SMTP Port 25, 465, 587, 2525- Which port should I use? Choosing an SMTP Port can be tricky. Also the network from ziggo. hMailServer for Outbound Only SMTP Server Posted on February 20, 2014 by gerrytan If you ever needed to write program that sends email, most likely you'll need a SMTP server. I called TWC a few tmes. It supports the common email protocols (IMAP, SMTP and POP3) and can easily be integrated with many existing web mail systems. it supports the common e-mail protocols (imap, smtp and pop3) and can easily be integrated with many existing web mail systems. 10 How do I create a log file of the SMTP session? * You Are Here * [ Scroll To Answer ] 4. Also, be sure to add the exception for the additional port in the firewall settings. In the SMTP server box type the name of the machine where hMailServer resides, in this case is the vCenter server. This document explains how to bind the IBM i SMTP server to a different port: 1. I'm using Hmailserver as an email server but also tried the built-in virtual SMTP server to see if could get it to [SOLVED] SMTP Server (HMailserver) not listening on port 25 - Windows Server - Spiceworks - Page 2. How make change the smtp port used in ODI? Thanks. and here is the solution I got. You can think of the SMTP relay as an SMTP router. If you select the Use a private SMTP server radio button, read steps 6 through 8. MailEnable - How to setup MailEnable SMTP & POP3 Services MailEnable's mail server software provides a powerful, scalable hosted messaging platform for Microsoft Windows. You might also consider adding a 2nd SMTP port to your hmail, perhaps 2525 or such (you'd want to leave port 25 to allow incoming public email if you need such), and then setup your web server to use that same port instead of 25 which might bypass them blocking port 25 (if that is the case. This field is only visible if you enable SMTP relay server above. If you are behind a firewall, some service ports may be blocked. Use command go tcpadm to display the TCP/IP Administration menu. Click the Advanced tab and change the Outgoing server (SMTP) port. Follow the steps in this note to send SMTP email with SAS software. If is set, you are authenticated to the POP server before using the SMTP communication. I have been using hmailserver for 8 years. You need to configure your outgiong mail sever in IncrediMail to send your email. Ok, now pick a nail exchanger from the list and telnet to it on port 25 Repeat the SMTP session sending a message to the gmail recipient and see if the message is accepted, and then whether it is delivered on gmail side. Your ISP shall allow you with outgoing SMTP (smtp port shall be opened). Change the SMTP port to 465; Enable SMTP Auth using the same credentials as IMAP; That should be all thats needed. outlook 2016 does not display option to change smtp seting When I go into accounts settings to change the smtp setting the option is not shown for smtp. The target host is the machine where hMailServer is installed; in my lab here I’ve installed hMailServer on the VMware vCenter server so I will point to this host. It has support for IMAP, POP3, and SMTP email protocols. On the left pane, select the entry Outgoing Server (SMTP) and the settings will appear on the right. You can use Gmail, Yahoo, Hotmail’s SMTP server if you have an account with them. For the changes to take effect you will need to restart the SMTP / transport services on your Exchange server. port! hmail. Port 25 is the SMTP standard TCP port and is the default setting. On my server I have 171 domain accounts. Port 25 is the well-known port assigned for SMTP, and prescribed in rfc821 (back in 1982). SMTP Mailer. We also cover adding an email account, modifying an existing account, configure outgoing server settings, ports and encryption, IMAP, POP3, SSL/TLS and then, test our configuration. Port 25 (the > > traditional SMTP port) has been blocked by Globe Broadband. The part that's killing me is the SSL part. Working around XProtects inability to use encryption or any smtp port other then 25. If you're unable to send email, try using port 587 when sending via Yahoo!'s SMTP server. You can expect a reply via return PM (the blue envelope in the upper right hand corner of this site) in a business day or three. Was able to get this working with HmailServer. Click the Outgoing Server tab and check the My outgoing server (SMTP) requires authentication option. Exchange 2013 the default smtp port is 25, but my ISP only uses port 587, so how do I change the smtp port to 587 (and for which of the 4 receive connectors)? · Hello, If you. This works perfect. Connected successfully. SMTP Simple Mail Transfer Protocol. That is port 25, and if your provider. Port 25 is the default port for sending and receiving mail. If MAPI is selected, a valid MAPI profile and password must be entered in the fields above. Setting the SMTP Server and Port. projectattack. As I have said before, the script itself is functional; but (something I didn't mention is that) I did take out the ini_set calls at the top of the script. Configuring Reporting Services Mail Delivery Using hMailServer SMTP To Gmail Relay I have a SQL Server installation at home that I use as a sandbox and also for a small system I built for monitoring the stock market (more on that in another post to come). CD to /etc/postfix/. Over the last year or so SES added the ability to receive emails but this is very complicated and confusing which is why I install Hmailserver to receive the email. Change SBS 2011 Exchange SMTP Send Connector Port Posted by Kirby Witmer May 23, 2013 1 Comment on Change SBS 2011 Exchange SMTP Send Connector Port On several occasions I’ve noticed that Comcast seems to be blocking port 25 on their internet connections. Create an Access rule allowing outbound access for the newly created User Defined protocol. What do you expect to have happen when mail is sent to this server? Are you forwarding to exchange, or will users pop/imap into this server to get the mail?. Note: Make sure you properly configure the Firewall device to forward all TCP Port 25 traffic to 192. I can access other SMTP servers all fine through 25, and disabling my own firewall didn't help. A few standard ports are used to access most services. Re: SMTP outbound blocked As a new U-Verse customer, I just went through the Port 25 wars. com Incoming POP mail port 995 POP SSL required Yes User name. Outlook 2003: Start your MS Outlook software. If you don’t require TLS encryption, you can configure your on-premise mail server to point to smtp-relay. Also, Port 465 is no longer registered as SMTP-SSL. We provide answers to common questions that will help you with your issue. Create email accounts in hMailServer. Select the "Delivery of e-mail" TAB. com" I can't see anything that allows for, or shows, the change to port 465. Evolution (the default mail client for the gnome desktop environment) doesn’t have a setting for the server port number. Here are the settings using in Exchange 2007. Next to the account you want to use, click Manage. If Outgoing mail (SMTP) is 25, change it to 587. com:465 smtp. 5 but is instead managed from the IIS 6 console. You must specify the address of your SMTP server via the Host property. Supported by the majority of servers, this port is a popular choice for handling mail submissions. All of a sudden my 2008 r2 server stopped listening on port 25. To change the outgoing mail port from 25 to 587: Launch the Mozilla mail client. The configuration steps below show you how to add a domain, add an account, create an alias, setting the server host name, configure RFC settings and configure SMTP relay options to prevent open relay. It isn’t setup to relay. IMAP is the best way to connect your Yahoo Mail account to a desktop mail client or mobile app. In the “SMTP Server” window, change the port to “587,” then press the “OK” button at the bottom. Change the number in the "Port" field to 587. If you configure your ISP's email server as SMTP relayer, hMailServer will deliver all outgoing email to your ISP's email server, which in turn will deliver it to. Test: Collect server details hMailServer version: hMailServer 5. This issue of this thread is really the ability to change the SMTP port. Podobne tematy SMTP HmailServer - Port 587 - nie otrzymuje wysłanego maila. com Trying to connect to TCP/IP address 83. On the left pane, select the entry Outgoing Server (SMTP) and the settings will appear on the right. Tried all possible solutions to telnet port 25 no success, only telnet to 110 is fine. But theres also hMailServer running on my server for mail stuff. The SMTP Service (SMTPSvc) runs on top of the IIS Admin Service. Authentication If you need to authenticate to your SMTP server, you can call the setAuthentication(userName,password) method before sending your email. You can edit the SMTP parameters later on. If it persists, contact whoever administers the server. com is replaced with my real supplier's named SMTP server, and 465 is the port. How to change SMTP port for Android Some Cell Phone email providers and Internet service providers (ISPs) block port 25 to reduce the amount of junk mail that originates from their domains. Mail relay testing A long time ago we provided a service to check for mail servers that were misconfigured as open relays. Check the following: Incoming mail (POP3) is set to mail. See also: A List of SMTP and IMAP Mail Server (Mail Server List). Below I give a detail action plan to. Right-Click on Database Mail and choose Configure Database Mail. This works in most cases, where the issue is originated due to a system corruption. To change the outgoing mail port in Microsoft Outlook, and Mac Mail:. Then restart the “Simple Mail Transfer Protocol (SMTP)” from services. You can see Add domain button here, click it, add the specific domain and click Save. com (port 25) If port 25 has been blocked in your network or by your ISP, you can set the SMTP port to 587 with TLS or SSL Encryption (depending on which email app you're us Your best bet given that your settings appear to be correct is to contact the MFR HP to have them help you with the printers specifics. However you have to change this. Email Server with SMTP POP3 IMAP4 LIST SSL Web Mail Server, Windows Email Server for Windows 2000/2003/2008/2012 with Anti-Spam, Anti-Virus, DomainKeys, DKIM, Archive, Archiving. To change these preferences in the Mail app on your Mac, choose Mail > Preferences, click Accounts, then click Server Settings. In the UI, there is no place to specify an SMTP port when setting the email configuration (so one can receive alerts). IMAP - port 143. I have the same issue. You can put localhost here but if your hMailServer is on another box, make sure you type the name of that machine. Combined with TLS encryption, SMTP port 587 ensures your emails are secure and delivered safely. As far as we know, the goal is to stop spammers from signing up for "throw away" accounts, and sending mail through open and/or anonymous relays. To determine whether port 25 is blocked, try typing telnet mail. How to change SMTP port for Android Some Cell Phone email providers and Internet service providers (ISPs) block port 25 to reduce the amount of junk mail that originates from their domains. These are the settings you will need to enter when using Outlook 365 and Gmail. If your client does not support SSL/TLS please use port 587 and disable SSL/TLS. Hmail Server Configuration File - Change Root Password Well I lost my root password of my mail server - hmail server 5. "SmtpClient. and here is the solution I got. Change port 25 to 587. To synchronize your Mail. # You can select any one of them and see a summary below the list. Working around XProtects inability to use encryption or any smtp port other then 25. This problem occurs in the following products: Microsoft Dynamics NAV 2009 Service Pack 1. Right below that for "use secure connection" the radio button is now "SSL" In the main account setting screen the outgoing server is: "smtp. If your ISP is blocking port 25, you can use your email application to change the port to 587 and try again. The confusion has arisen due to the SMTP server component not being managed from with IIS 7. You can change preferences for the SMTP mail server you use to send messages, as directed by the provider of your email accounts. Secure IMAP (IMAP4-SSL) - port 585. 0 on Windows 10, on 32 bit and 64 bit machines. On the Change E-mail Settings window, click More Settings. I am happy with ACT email client, so wish to continue. Then the second instruction, I found I had "Server smtp. There are many different mail servers and methods to setup a relay server to send mail using SMTP authentication. Changing the SMTP port (the port email will be sent to), is also much easier than it was in System. hMailServer is a free, open source, e-mail server for Microsoft Windows. I opened port 587 on my server's router and verified that Windows Firewall was not running. com Port 587 SMTP:. Remember that you may need to perform. A Usual Question people have in mind is regarding SMTP Port 25, 465, 587, 2525- Which port should I use? Choosing an SMTP Port can be tricky. If you are unable to send email but are able to receive, you may need to change your outgoing SMTP server port to 26. Now click on Add port and change the Port Type to SMTP Now, change the Server Name to the SMTP Server name you noted down earlier, e. The problem can usually be resolved by changing the SMTP port to 587. Click the Advanced tab and change the Outgoing server (SMTP) port. NET uses an SMTP server on the local computer. To change the default SMTP port for the Outgoing server, click on the "Advanced" tab on Internet E-mail Settings, and type the 465 port number into the "Outgoing server (SMTP): column. I suspect that you may be using an Internet security program that scans your email. I am total noob about Unix and CLI. The machine is an SMTP relay because it is not the endpoint of the SMTP message. The message could not be sent because the connection to SMTP server smtp. Is there a > way > > to change the SMTP port so I can send emails? > > You could set up your postfix to send emails via submission (port 587) > preferably over TLS; here's a link from Ubuntu help:. I have set smtp port in hmailserver to 125 If I change my email client to port 125 I can send. A mailserver receive mail on port 25, that is the ONLY thing you need to know. Re: SMTP outbound blocked As a new U-Verse customer, I just went through the Port 25 wars. Set the port number to 25 in the 'Outgoing server (SMTP):' box. I can't run both the local SMTP and the hMailServer SMTP at the same time (Windows one refuses to start).