[ On Saturday, May 5, 2001 at 18:20:06 (+0200), Joerg Jaspert wrote: ]
> Subject: Re: Mailbounces, fallback_relay
>
> Yes. And bounces are 5xx codes. smtp_skip_5xx_greeting should do this but it
> does not. So Postfix is not working correct i think :(

Note that 'smtp_skip_5xx_greeting' will only skip a server that *greets*
with a 5xx status code. If a 5xx error occurs after any other command
then the only sane way to handle it is to bounce the message. Going on
to a secondary MX at that point is, well, pointless, since any correctly
functioning secondary MX will eventually just have to bounce the message
anyway.

BTW, IMNSHO, anyone needing something as broken as to require them to
ignore 5xx response codes is building on a sand-bar and shouldn't be too
surprised if it all washes out underneath them regardless of what they
do.

Bounces are bounces! :-) I.e. fix the problem, not the symptom. If
some domain's DNS and mail servers are broken in this manner then don't
send them any e-mail -- use a more reliable "transport" that they might
still be able to understand and handle more correctly (or at least not
ignore), such as snail-mail, or even a FAX. :-)

-- 
							Greg A. Woods
+1 416 218-0098      VE3TCP      <gwoodsacm.org>     <woodsrobohack.ca>
Planix, Inc. <woodsplanix.com>;   Secrets of the Weird <woodsweird.com>
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