hi John, thanks for your response, indeed putting every server\product to be my age server is reasonable think to ask, but all catch in SPAM - you never can compare tomatoes to tomatoes , but only doing so in "real time" :). It's possible that exim only cannot provide me with needed functionality, and I'll need use iptables ( for example)...
Any ideas are welcome! Tal John Robinson-2 wrote: > > On 06/01/2008 14:20, tall27 wrote: >> Hello, >> I try to use Exim as a hub SMTP server, that should forward all incoming >> e-mails (for a list of predefined domains) to a number of back end >> servers. >> The back end servers runs different Anti Spam products - and my goal is >> to >> check those different products. For this I would like that Exim send >> messages as much as it's possible with the same format as it was received >> by >> Exim ( without add any new lines and perform changes to the e-mail) - in >> other words - internal servers should "think" that they are receive >> e-mail >> from the Internet. >> >> What could be the most effective config to archive my goal? > > It's going to be tricky because many of the valuable things you can do > to test for spamminess you can only usefully do if you're the edge > server (where your exim is in this case), e.g. reverse DNS lookups, > delays/tarpitting, checking proper SMTP compliance, etc. > > On the other hand if you're just comparing content scanners, exim > doesn't change message contents, and would usually only add a received: > header, which you could turn off (by unsetting received_header_text) but > even then a good content scanner will notice the missing header from the > intermediate server (your exim) and score against it. > > Overall I think you need to bite the bullet and put your test > configurations right on the internet, not behind exim. And set up an > exim with an anti-spam configuration: you'll probably find a well-tuned > exim+clamav+spamassassin beats all the other anti-spam offerings :-) > > Cheers, > > John. > > -- > ## 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/ > > -- View this message in context: http://www.nabble.com/Anti-SPAM-detection-LAB-tp14645820p14653361.html Sent from the Exim Users mailing list archive at Nabble.com. -- ## 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/
