G.Vinubalaji [9/30/2003 7:19 PM] :

Finally my mails are getting through after i requested for a change in
the EHLO configuration option of my company qmail installation.

Good for you. HELO filtering traps a TON of spam - and we use it extensively.


Is there any specific reason for sourceforge to shift to this new policy
which just denies the email and not even bounce the email back. Sorry if

A clear PERMFAIL 5xx is issued. What do you mean the mail is denied but not bounced back?


Does this FQDN check for the validity of the domain name i.e is it just
a regular expression for the presence of <something>.<something> (FQDN)
or it also checks if the domain name resolves properly.

Sourceforge does a few other things.


1. Checks for a proper HELO - syntactically correct (underscores are not valid in HELO for example)

2. Makes a smtp callback (connects back to the sending domain's MX and verifies if ... 1. the user sending it exists, 2. [EMAIL PROTECTED] exists)... only then does it let your mail through.

suresh



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