Quote:
Originally Posted by sclitheroe
Lots of ISP's don't allow port 25 connections outbound from their networks (they only allow SMTP on 25 to one of their own SMTP servers) - Telus is one such ISP, for example. Can you configure your sendmail instance to connect on an alternate MSA, which is typically port 587?
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Yeah, this essentially. Otherwise your SMTP server becomes a massive relaying opportunity.
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