Szerző: Chris Edwards Dátum: Címzett: exim-users Tárgy: Re: [Exim] Using an external smtp server
| >Where a Novell Netmail server is trying to send mail to some domain, and | >encounters a 5xx at RCPT time from the primary MX, it (netmail) merrily
| >proceeds to try the exact same delivery on the backup MX(es). | | How bloody horribly broken. And here I thought NetMail was a decent MTA (I
| havent played with it yet, but from what I can see of their myrealbox.com
| demo vehicle / freemail account, it looks pretty decent, does AUTH, TLS and
| all)
Well, I got a myrealbox account and sent a test message to an unknown user
back at home. Sat back and watched the logs:
The command was not accepted and the requested action did not
occur. The SMTP client is discouraged from repeating the exact
request (in the same sequence).
I suppose they _could_ argue that by trying the secondary MX they aren't
repeating the "exact request", but I wouldn't be happy with that
interpretation.
[...]
The message of the subsequent text in 2821 seems to me to say that a
retry is only appropriate after human intervention to correct whatever
issue the 5xx was reporting. But it seems not to be an absolute. "