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Many Internet Service Providers  block the default SMTP port, 25. If that is the case, you will want to use the alternate port 2525. How to do so depends on the type of account you have.


Site Manager Accounts

In order to use port 2525 on a site manager account, you  must first have a dedicated IP address. If you have a shared IP address, please order a dedicated one here:

https://corp2.westhost.com/addons/

Once you have a dedicated IP address, you can install the port 2525 with these instructions:

http://kb.westhost.com/questions/1001/Sendmail+Alternate+Port

cPanel Shared Hosting accounts

If you are on a cPanel Shared Hosting account, port 2525 is open by default.

Cloud Reseller Account

If you are on a Cloud reseller account and port 2525 is not open by default, please do the following to open it:

Login to WHM and navigate to:

  1. Service Configuration -> Exim Configuration Manager -> Advanced Editor -> Scroll down to “daemon_smtp_ports”.
  2. At the end of that line add another colon and 2525.
sendmail2525.png

Scroll to the bottom and click Save.

Cloud Account [Non-Reseller]

If you are on a regular hosting plan (and not a reseller) then please contact technical support to enable port 2525 for you.