Ever since the mailserver (Debian) was rebooted, Exim4 refuses to transfer emails to the intended recipient, and instead reports a 451 error
The following recipient(s) could not be reached:
'xxxxx@???' on 8/3/2005 10:00 AM
451 Temporary local problem - please try later
Apparently this is due to something called "Greylisting" being active. Before I attempt to correct the problem, as a temporary, immediate remedy I first want to turn off greylisting altogether, until I've figured out how to make this work properly.
How do I turn off grey listing? Any instructions / pointers to literature would be very much appreciated.
TIA,
Joseph
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