Hello!
In message to "Marian Hettwer" <Mh@kernel32.de> sent Thu, 13 May 2004 22:21:44
+0100 you wrote:
>>> Not only it's way faster than perl based messagewall, amavisd and
>>> mailscanner etc but it also has neat stuff like making connections
>>> back to the sender's MX checking for validity of the sender's email.
>>
>> This Feature sounds interesting. How is it actually called in exim ?
>> I'd like to check the exim docu to see some details, because it really
>> sounds interesting.
>>
>> Could you provide me with some keywords to search for ?
TB> In Exim you're looking for sender callout verification.
TB> http://www.exim.org/exim-html-4.30/doc/html/spec_38.html#SECT38.21
TB> It's pretty trivial to turn on, and in my experience works well.
One should be careful with source address checking as it may block mails in
e-mail discussion lists when source e-mail address is nonexistent. Using
things like "NO_SPAM" or "DELETE_THIS" in e-mail address is common (and
justified) in discussion lists.
--
Slawomir Piotrowski
_______________________________________________
freebsd-security@freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-security
To unsubscribe, send any mail to "freebsd-security-unsubscribe@freebsd.org"