Unfortunately the messages that got through were quarantined and the users =
always empty their quarantine....darn it.  Couldn't look for the tag in =
the header.  Now another bad one hasn't come through (that we've been told =
about).  Even tried to restore from the Norton backup but it couldn't =
restore the infected message so I couldn't see squat.

I'll offer this info though to see if it helps figure this out (although I =
believe one person said yesterday that they've experienced this as well =
with the huge MyDoom load).


A few days ago I requested info regarding how to upgrade to 1.18, sounded =
simple enough so I upgraded the backup server (which is ONLY a backup =
server, it only hosts the main domain for which only a postmaster account =
is setup).=20

When users on the primary server began receiving virii, I checked the =
backup server just for giggles and found that the anti-virus filter hadn't =
logged any entries since 2/9.  The SMTP didn't log anything on 2/10 but =
did on 2/11.  I shut down the backup yesterday (when these virus things =
started happening) to see if additonal virus were passed through on the =
Primary, after I had shut down the backup (or so it seems) there weren't =
any more virii received by the Primary.  Checking the smtp log on the =
backup server (checked it this morning after removing the connection to =
the network) for 2/12 though didn't show any messages passed to the users =
that received the infected messages.  Dead end here I assume.

I fired this server up today with the nic unplugged and the antivirus =
filter fired off against items that must have been spooled.  First time =
it's activated since 2/9.

Now, for the other twist.  I upgraded the primary server last night to =
1.18.  After doing so, the SMTP server accepted messages from the internet =
and clients could send messages but all sent messages stayed in the =
queue's.  Even if sending a message to someone on the same domain.  The =
client could connect via POP3 but would say "no messages found".  I put =
1.17 back into operatioin and all of the messages were cleared from the =
queue and delivered properly.

I upgraded both servers exactly like this:

had xmail-1.18.tar.gz in /usr/src/xmail118
from the /usr/src/xmail118 directory ran=20
#gunzip xmail-1.18.tar.gz
#tar -xsvf xmail-1.18.tar
# cd xmail-1.18
#makefile -f Makefile.lnx
after compiling I went to /var and ran
#cp -a MailRoot /var/MailRoot.1.17
# cp MailRoot/bin
# mv XMail Xmail.1.17
# mv CtrlClnt CtrlClnt.1.17
# mv sendmail sendmail.1.17
#mv MkUsers MkUsers.117
# mv XMCrypt XMCrypt.1.17
# cd //usr/src/xmail118/xmail-1.18
# cp XMail CtrlClnt sendmail XMCrypt MkUsers /var/MailRoot/bin/

I then restarted xmail with
#/etc/rc.d/init.d/xmail start

This is correct, no?

Another strange thing, I've found that using "/etc/rc.d/init.d/xmail stop" =
with 1.18 does not stop xmail.  It says "Stopping XMail server:" but it =
just hangs there.  This happened on both primary and backup. =20

I switched both back to 1.17 and both servers can shutdown xmail properly =
again.

I'm going to put the backup server back on the network and see if we get =
any virii through today.  If all is well through the weekend I may put =
1.18 back onto the backup server to see if I can re-create the virus =
infections.

Of course, this could all just be a strange coincidence, we all know I'm =
not even close to being any good with Linux/XMail or knowing how/why =
things happen, but I'll say this much, I'm sure learning a bunch :)

Thanks all!




>>> [EMAIL PROTECTED] 02/12/04 12:53PM >>>
Dale Qualls schreef:

> Is there a limit to the number of times the av-filter can be called and =
=3D
> will mail bypass it if it's busy or runs out of threads?
>=20
> In the last couple of days we've have many copies of mydoom get through =
to =3D
> the user (where the desktop AV stopped it) but we're still having copies =
=3D
> caught by the av-filter.
>=20
> Is anyone else experiencing this?
>=20
> Thx!
>=20
> RH 8.0 on P4 2.4GHZ with tons o' RAM (could be a 2.6, I don't recall)
> xmail 1.17
> clamav
> Peter's av-filter
> Only a couple hundred of messages per day.

I have never saw this behaviour here. Since the script is using random=20
path's for working I don't see what can go wrong at this time. Is the=20
X-AV-Scanned: header in the infected message?

--=20
Groeten,
Peter


Always remember you're unique, just like everyone else.

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