[TriLUG] Email sending problem....

[jeremyp at pobox.com]

On Mon, 10 Sep 2001, Kevin - The Alchemist - Sonney wrote:

> Ah! So sourceforge check to be sure it's a valid sender by
> back-tracking to midgard.darkcanvas.com and trying to send mail - but
> they're either ignoring the MAIL FROM listed above, or they are
> expecting a header I'm not setting.

No, the problem is that your mail server is choking when Sourceforge sends
a null "MAIL FROM:<>" as part of the back-checking... reread the other's
messages more closely.

Most servers respond
MAIL FROM:<>
250 2.1.0 <>... Sender ok

But yours (midgard.darkcanvas.com) is responding like this:
MAIL FROM:<>
554 buildaddr: no host

So apparently there's some rule on your server that's trying to validate
that the mail from addr is valid, and since sourforge sends a null addr,
it chokes.  It's a problem with your mail server, not your MUA.

--Jeremy

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