Hello list

since beginning of this week we use the new spamassassin 4.0.2 Since
then we can see that processing time (at least for particular mails)
massively increased. We use a timeout of 30s in our setup to
communicate with SA.

Two mails we now have that cannot be processed anymore in that time and
therefore get stuck in our processing.

Mail A has a huge load of links/mailtos in header and body. About 7k.
The timing in processing with the very same rules is from 6s (in 4.0.1)
to 2.5min (in 4.0.2). I counted the number of URI spamassassin detected
and the number of DNS queries in both versions and they are more or
less equal. So I guess the increase in processing time is not DNS
related.

Mail B does not have that many URI but a quite complex HTML attachment
with a load of styles with almost every div and span tag. The
processing time is 4s (in 4.0.1) and about 1min (in 4.0.2).

I will check in our timings logs to see if we see a general increase in
timings or if it's more only related to specific mails.

Have a good one

tobi

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