I've getting the most strange behaviour after update to last releases. In one of my mailman3 servers, the messages doesnt reach for some lists (the five last ones)
the update have not showed any error but in the var/data for the lmtp and vmap postfix files mailman does not create aliases for that last 5 lists. Any message addressed to them is returned with a "no such user" error.
If I create a new list the system or restart mailman runners it shows this error:
Generating MTA alias maps /usr/local/lib/python3.9/site-packages/pymysql/connections.py:799: UserWarning: Previous unbuffered result was left incomplete warnings.warn("Previous unbuffered result was left incomplete")
I did a CHECK TABLE on mailinglists table but all seems ok.
I tried reinstalling PyMySQL, but has no effect. (well, I tried reinstalling all)
It seems to me that something is preventing creation of that aliases, an then the that last five lists are unreachable.
I have no clue of what to do now and I'm driving crazy.
Some direction to look for will be much apreciated.
Thanks in advance.
P.S.: I can access via postorius/hyperkitty to the archives of the lists that are unreacheable.
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