Phil,

We too use GFI - and had a problem with this before.
Turns out (in our case) that MailSecurity was the
problem.  It stops scanning the mail - there is a patch
that fixes it.  Off the top of my head there was a problem
w/long or malformed subject lines.

Hope this helps.

>-----Original Message-----
>hi
>
>windows 2000 server, service pack 3.
>IIS is installed as mail relay server in DMZ to an
>internal mail server, MailSecurity is installed in same
>server for mail virus filtring.
>
>since yesterday, the smtp stop fonctioning, if i restart
>the service, it works for sometime (around 10~15 min) and
>stop again, the service is always started.
>
>-------
>eventlog is like this:
>eventid:4000 smtpsvc
>Message delivery to the remote
>domain 'creditcard.blmllc.biz' failed for the following
>reason: The remote server did not respond to a connection
>attempt.
>or sometime
>eventid:4001 smtpsvc
>Message delivery to the remote domain 're4tdmd.com'
>failed.  The error message is 'An SMTP protocol error
>occurred.  '.  The SMTP verb which caused the error
>is 'MAIL'.  The response from the remote  server is '451
>failed to open files for write  '.
>---------
>
>there are different domain, if i nslookup those domain,
no
>problem at all. it sounds also those domains are the
spam,
>but who send those mail and why?
>
>i checked for virus and made sfc on server, no error
found.
>
>i checked the mailsecurity log and internal mail log, all
>look good.
>
>everything is ok on firewall.
>
>any idea?????
>
>any help will be appriciated!!
>
>Phil
>
>
>.
>

[ Post a follow-up to this message ]