patch to prevent domains not-existing on my server from relaying thru my
server.
a) i had a client who purchased a email hosting from me : domain1.com he
created an [EMAIL PROTECTED]
b) now using the SMTP authentication information for the above he also
sends/relays emails from [EMAIL PROTECTED] which he has Not Hosted on my
server. ie he sends email using the from id as [EMAIL PROTECTED] with SMTP
auth as [EMAIL PROTECTED]
c) this is a misuse of my email server which i want to prevent by ensuring
that when an user SMTP authenticates as [EMAIL PROTECTED] then domain1.com
should exist on the server. ie "from emailid" should be
[EMAIL PROTECTED]
i plan to patch qmail toaster for the above.
as far as i think there should not be any problem.
can other experienced people give a thought to this requirement and let me
know of the possible problems i may face / care to be taken.
raj
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