Re: Problem sending to Alioth lists?
On Sun, Aug 27, 2006 at 05:37:00PM -0400, Roberto C. Sanchez wrote:
> Is the mailing list software on Alioth broken or misconfigured? If I
> send from any host on my network other than the one which happens to be
> the mail server, I get this error when I send to an Alioth list:
> Aug 27 17:26:48 santiago postfix/smtp: 4A8002403D:
> relay=lists.alioth.debian.org[188.8.131.52], delay=21, status=deferred
> (host lists.alioth.debian.org[184.108.40.206] said:
> 451 Could not complete sender verify callout (in reply to RCPT TO
The reason may be that your MXs (for the domain in the envelope sender
of your mail) do RFC1413 callbacks, with a timeout close to or of more
than 20s. Or that going through the EHLO/MAIL/RCPT dance from costa to
your MX takes more than 20s for another reason.