On Fri, 2010-06-04 at 10:35 +0100, Mark Thornton wrote: > The default configuration bypasses spam assassin for messages in excess > of 100000. We have recently started seeing an increase in spam which is > just over this limit (103KB). I wonder if there is a connection. > > Mark Thornton > > In the good ole' days spammers kept them short and sweet to keep down on the bandwidth and overheads I presume at a bit of a guess.
Since the Botnet has largely taken over the job of spamming, and someone else is paying for the bandwidth, size is probably only considered by spammers because it is proportional to amount of spamessages per period of time. Spamassassin is a lovely program, but she's a hungry hippo. If it has to start scanning big messages it will quickly become a bottleneck IMHO. Best to make sure all reasonable steps, such as IP based ptr/dnsbl checks are in order before even showing Exim and Spamd a sniff of it. Personally I've seen only a few oversized spams, but there was a time when I saw none at all. -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
