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Is Relaying set correctly on the SMTP server?

April 26, 2017correctly relaying server SMTP

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Is Relaying set correctly on the SMTP server?

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If email sending only fails when you send to a domain that is not your domain, then relaying is probably not allowed on your SMTP server. This is often done as a security precaution so that spammers don’t use your SMTP server to send out a million spam without you knowing. Instructions for setting relaying in the IIS SMTP server: In the properties dialogue for the Default SMTP Server in IIS, go to the Access tab and click Relay. Make sure “Only the list below” is selected and make sure that the IP of your server appears in that list, i.e. that your web server (and FogBugz) is granted access to this SMTP server.