On 5/21/25 9:31 AM, Steve Bachinsky wrote:
Hi. We have noticed some posts being held for moderation (even though user has
permission to post to list) and Mailman reports:
moderation_reasons: ['Message has implicit destination’]
The lists are configured for “require_explicit_destination”. However, the email
address of the list is clearly in the CC: header of the email (no alias or
subdomain). Is there some other reason why Mailman would hold an email for
moderation with the reason of “implicit destination”?
No. The rule looks at all the addresses in To:, Cc:, Resent-To: and
Resent-Cc: headers using standard Python email library methods, lower
cases them any if any lc address matches the list posting address or an
acceptable_alias, the rule misses, i.e. doesn't hold the message.
There is no other reason.
This moderation is not consistent for same list and poster. The emails come
from a large domain with multiple load-balancing email servers. I suspect that
it may be something with one or more of the servers being misconfigured, but
unable to see anything obvious from the headers and confused why Mailman states
the reason to be implicit destination when that does not seem to be the cause.
I'm sorry, but I have no idea why this is happening. If the headers of
the held message contain the explicit address, I have no clue as to why
it is held for that reason. Maybe there is some other reason why the
message is held, and the reason is misstated, but I don't know how that
could happen.
--
Mark Sapiro <m...@msapiro.net> The highway is for gamblers,
San Francisco Bay Area, California better use your sense - B. Dylan
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