After some hours or days after starting smtpd I get:
Apr 13 21:39:58 belisama spf[25177]: warn: filter-api:spf socketpair: Too
many open files
Apr 13 21:39:58 belisama delay[14001]: warn: session e6640a1435e43218:
write out of sequence
Apr 13 21:39:58 belisama last message repeated 95 times
After a first such warning, the same happens on every incoming message.
The filter process then has several hundred sockets to its name.
The same has also occurred with a filter chain of only filter-pause but
this didn't cause any
real problems. However, with my filter-spf in the chain this results in
messages being accepted with an empty data portion, which is highly
undesirable.
On an error, socketpair() sets errno, so as a work-around I think I should
reject with 451 if errno is found to be nonzero inside a filter callback.
Should this work?
--
Boudewijn Dijkstra
Indes-IDS B.V.
+31 345 545 535
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