On 2010-03-03 Joshua Kordani wrote: > Hello all! I have recently come across a few spams that I am trying > to block. The anatomy of the message probably isn't new to most of > you, but when I try to recreate the spoofed sections that I wish to > filter by hand over telnet, its clear that I am not understanding how > the messages are being built. Example to follow below: > > note the from line is spoofed to be wo...@mydomain.com, > i...@spamdomain.com, senten...@spamdomain.com. Which appears to my > users as coming from a user in my domain. Id like to filter against > this, but when I go into telnet and try to make a mail with a from > field so deformed, my mail server spits back "I can break things too" > and quits my connection. How can I manually recreate this spoof so > that I can learn how to filter it out?
Please be more precise/verbose about what you were actually trying. For instance: it's not clear to me if you're talking about the From: header or the envelope-from above. Also, did you follow the procedures described in the DEBUG_README? http://www.postfix.org/DEBUG_README.html Regards Ansgar Wiechers -- "Abstractions save us time working, but they don't save us time learning." --Joel Spolsky
