postfix-users October 2010 archive
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postfix-users: Re: outer mail sender question

Re: outer mail sender question

From: Wietse Venema <wietse_at_nospam>
Date: Wed Oct 20 2010 - 00:38:50 GMT
To: Postfix users <>

ren yufei:
> Thank you. It works.
> But I got the new error message :
> connect to[]:25: Connection refused.
> I also tried and get the same error.

Many ISPs block direct mail to port 25 for security reasons. If
that is the case for you, then you will have to send your mail to
a relayhost.

See, for example:

And perhaps: