Mailing List Message #6153
From: Steve Linford <>
Subject: Re: spamtrap ... another question
Date: Mon, 5 Jun 2000 18:46:09 +0100
To: SIMS Discussions <>
>From Matt Simpson, received 05/06/2000, 6:35 pm +0100 (GMT):
> At 9:33 PM +0400 6/5/00, Technical Support, Stalker Labs said:
> >A good SMTP client/server should abort delivery if it sees a 5xx
> >SMTP error code returned...
> OK, thanks.  So I should assume this spammer's server was either very
> stupid or very persistent.

No, he just hadn't got to the DATA point (SIMS returns the "593" when the
spammer stops inputting RCPT TOs and issues the DATA command, at which
point a lesser MTA than SIMS would return "250")

  Steve Linford

  Ultradesign Xperimental Network

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