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[Odhiambo Washington]

That's what Exim does, unless the sysadmin changes things!

On 23 December 2016 at 20:21, Mark Sapiro <mark at msapiro.net> wrote:

> On 12/23/2016 06:50 AM, Odhiambo Washington wrote:
> >
> > I know Exim will only treat a session as a failure if it gets 5xx. Does
> > Postfix do the same?
>
>
> Yes, mostly. Postfix treats any 4xx as retryable and retries at
> configured intervals until the message is delivered or
> maximal_queue_lifetime (default 5 days) expires. After
> maximal_queue_lifetime the message is considered undeliverable (failure).
>
> --
> Mark Sapiro <mark at msapiro.net>        The highway is for gamblers,
> San Francisco Bay Area, California    better use your sense - B. Dylan
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-- 
Best regards,
Odhiambo WASHINGTON,
Nairobi,KE
+254 7 3200 0004/+254 7 2274 3223
"Oh, the cruft."