ETRN message

[Dustin Baer]

Steve Douglas wrote:
>
> I have been watching my mail log with MailScanner and noticed the below
> syntax and don't understand what it is saying.  Would anyone have a
> suggestion?  I tried to send me an email and it has not been delivers.  My
> gateway forwards the mail to an internal email exchange server.  The SPAM
> gateway is running the latest SA and MS.
>
> Jan 19 08:42:38 mail sendmail[30274]: i0JEgcjd030274: [x.x.x.x] did not
> issue MAIL/EXPN/VRFY/ETRN during connection to MTA
>
> Pentium IV, RH9, 1.5 GB RAM, 80 GB HDD, and f-prot
>
> SD :-)

It just means that someone has connected to your mail server and never
issued any real email commands, i.e. MAIL, EXPN, VRFY, ETRN, that would
normally be given after a HELO, or EHLO command.

Dustin
--
Dustin Baer
Unix Administrator/Postmaster
Information Handling Services
15 Inverness Way East
Englewood, CO 80112
303-397-2836