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Re: trying to restrict postfix use of port



Camaleón on 21/01/10 20:04, wrote:
A mail server has to listen at least in "loopback:25" so it can receive and process e-mails internally, coming from the host itself.

Aha. Now we get to the crux of the matter.

Is it a feature of SMTP itself, that it cannot send an email without port 25 because it has to receive the email it is going to send first, even if only locally as in my case, but nevertheless on port 25?





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