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Re: sloppy option
On 22-11-2003 at 02:03:07AM +0200, Matti Aarnio wrote:
MA> The 'S' thing in smtpserver.conf works only, if the remote ends
MA> greets with HELO/EHLO. But there are some weird clients that
MA> don't bother to do even that :-(
MA>
MA> I was trying to figure out, what was hammering one work server of mine
MA> with that utterly sloppy "start straight with 'MAIL FROM:foo@bar'"
MA> thingie.
MA>
Some mail clients make space between ":" and "<" (with normal sequence HELO before).
Maybe You thought about some option to don't accept messages "MAIL FROM:<>"?
policytest.c:
1446 if (len == 0) /* MAIL FROM:<> -- error message ? */
1447 return 0; /* We accept it, sigh.. */
Here "-1" and next nice option for spammers :-)
BTW, someone should think up SMTPng with better antispam mechanism.
Bartek.
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- Follow-Ups:
- Re: sloppy option
- From: Matti Aarnio <mea@nic.funet.fi> (Sat, 22 Nov 2003 13:51:43 +0200)
- Re: sloppy option
- From: Eino Tuominen <eino@utu.fi> (Tue, 25 Nov 2003 11:06:01 +0200)