12 Feb
2012
12 Feb
'12
12:06 a.m.
Hello,
On Sun, Feb 12, 2012 at 00:13, Andy Bennett <andyjpb(a)ashurst.eu.org> wrote:
If your MX is down then senders' MX will
generally queue the message and retry for a few days. If DNS is down and
the MX record cannot even be resolved then the mail will bounce immediately.
This seems to be a common misconception.
A properly implemented MTA must queue and retry also on temporary DNS
lookup errors.
Regards,
Daniel