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Re: [Savannah-hackers-public] Suspicious ‘451-You dont seem to have a r
Re: [Savannah-hackers-public] Suspicious ‘451-You dont seem to have a reverse dns entry.’
Sat, 20 Nov 2021 23:46:51 +0100
First of all, thanks for the lengthy response. I could only skim
it. I'll have to digest (possibly further reply with sysadmin
CC'd) at my leisure later.
Bob Proulx 写道：
Since it is reported as being greylisted this should have been a
single one time delay for the greylist and then all subsequent
interactions would remember your address and avoid the delay.
This server has delivered a ludicrous number of messages to
debbugs over the years :-) including several only yesterday (19
Nov). Of course, the TTL might be something like 24h, without
being itself unreasonable.
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