Testing that SMTP

So you’ve set up smtp on a server but need to check to make sure that the server is ‘ready to go’ as soon as the Web/Mail hoster cuts over the MX records?

From the outside (and this is where a little bit of RWW can help… ) telnet to the IP address of the server

telnet blah.blah.blah.blah 25

You then get back this… indicating you are good to go

220 domain.com Microsoft ESMTP MAIL Service, Version: 6.0.3790.1830 ready at  Wed,
22 Nov 2006 15:39:46 -0800

See?  You can then see that you are ready to go…

One Thought on “Testing that SMTP

  1. If that fails check the MX record using http://www.mxtoolbox.com/ if that is ok it probably means you have not configured your firewall/router correctly to allow port 25 through it.

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