Am 14.03.2015 um 18:11 schrieb Reindl Harald: > > > Am 14.03.2015 um 18:01 schrieb Robert Schetterer: >> Am 14.03.2015 um 17:55 schrieb David F. Skoll: >>> On Sat, 14 Mar 2015 17:08:50 +0100 >>> Reindl Harald <h.rei...@thelounge.net> wrote: >>> >>>> Am 14.03.2015 um 17:00 schrieb Kevin A. McGrail: >>>>> On 3/14/2015 1:14 AM, David B Funk wrote: >>>>>> truncating a large message and >>>>>> only passing the first N-KB to SA. As that involves munging MIME >>>>>> headers it has to be done inside the milter. >>>>>> >>>>> I just truncate the message hard and it generally works better than >>>>> not scanning. What do you do to truncate? >>> >>>> how do you truncate messages for the scan? >>> >>> I can't answer for Kevin, but what we do is this: For oversize >>> messages, we remove non text/* attachments. If they're still >>> oversize, we truncate the text/plain parts. If they're still >>> oversize, we truncate the text/html parts. We do this very carefully >>> with MIME::tools to ensure that SpamAssassin always sees a valid MIME >>> message and not (for example) one with a missing boundary. >>> >>> We use MIMEDefang for SpamAssassin integration, so we can play whatever >>> tricks we like with the data that gets passed to SpamAssassin without >>> actually messing with the original message. >>> >> define oversize..., cutting mail content may not allowed in many >> countries, most legal policy, is reject ( at income smtp level ) or pass >> tag passed mail is allowed if the reciept accepts this > > nobody but talks about cut content > > we talk about how to pass only a part to spamassassin instead skip large > messages entirely which in many case would be enough to detect a message > as spam because the "oversize" are just binary parts >
Ok, but big spam mails are extrem rare, i wouldnt invest time in that Best Regards MfG Robert Schetterer -- [*] sys4 AG http://sys4.de, +49 (89) 30 90 46 64 Franziskanerstraße 15, 81669 München Sitz der Gesellschaft: München, Amtsgericht München: HRB 199263 Vorstand: Patrick Ben Koetter, Marc Schiffbauer Aufsichtsratsvorsitzender: Florian Kirstein
