[RE: [lug] SMTP mail thru firewall]

[Justin]

Hrmm, well my firewall _is_ rejecting all incoming AUTH requests on 113 so
I'll try changing that and see what happens. Thanks.

Justin

"George Sexton" <gsexton at mhsoftware.com> wrote:
> Yes, I have seen this also. I could never send Email from an NT machine to
a
> certain domain. I wrote a simple NT Auth/identd daemon as a service, and
the
> problem totally disappeared.
> 
> George Sexton
> MH Software, Inc.
> Voice: 303 438 9585
> http://www.mhsoftware.com
> 
> 
> > -----Original Message-----
> > From: lug-admin at lug.boulder.co.us [mailto:lug-admin at lug.boulder.co.us]On
> > Behalf Of Bonnell, Doug
> > Sent: Wednesday, July 12, 2000 10:58 AM
> > To: 'lug at lug.boulder.co.us'
> > Subject: RE: [lug] SMTP mail thru firewall
> >
> >
> > I don't know if my experience is applicable, but I started getting delays
> > when
> > sending out Email after installing a router/firewall. My ISP uses FreeBSD
> > with
> > an smtp server that attempts authentication on port 113.
> >
> > This communications on port 113 doesn't occur, to the server sits in a
> > timeout
> > loop for about 30 seconds before deciding to accept the mail.
> >
> > Could it be that your smtp server is attempt the authentication
> > via port 113
> > and
> > then rejecting the connection when the timeout occurs?
> >
> > Hope this helps...
> >
> > Doug Bonnell
> > Software Engineer
> > BreeceHill Technologies Inc.
> >
> > > -----Original Message-----
> > > From:	Justin [SMTP:glowecon at netscape.net]
> > > Sent:	Wednesday, July 12, 2000 10:06 AM
> > > To:	BLUG
> > > Subject:	[lug] SMTP mail thru firewall
> > >
> > > Well I tried changing my MASQ line to not include the '-i
> > $INTERFACE' part
> > > and
> > > I still couldn't get my smtp mail to go out. I can, however,
> > see the mail
> > > msg
> > > hitting my mail server but the maillog shows the connection timing out:
> > >
> > > Jul 11 23:35:54 localhost postfix/smtpd[9013]: connect from
> > > ns2.mydomain.com[63.228.xx.xx]
> > > Jul 11 23:35:54 localhost postfix/smtpd[9013]: 50F5A57BFE:
> > > client=ns2.mydomain.com[63.228.xx.xx]
> > > Jul 11 23:40:59 localhost postfix/smtpd[9013]: timeout after DATA from
> > > ns2.mydomain.com[63.228.xx.xx]
> > > Jul 11 23:40:59 localhost postfix/smtpd[9013]: disconnect from
> > > ns2.mydomain.com[63.228.xx.xx]
> > >
> > > ns2 being the machine with the firewall and the clients behind it. This
> > > error
> > > happened whether or not I included the -i $INTERFACE part of my the
MASQ
> > > entry. One interesting thing is that when the internal interface on teh
> > > firewall box is in promiscuous mode, the mail shoots right
> > thru. Not sure
> > > what
> > > that means exactly...any other thoughts?
> > >
> > > Justin
> > >
> > > ____________________________________________________________________
> > > Get your own FREE, personal Netscape WebMail account today at
> > > http://webmail.netscape.com.
> > >
> > > _______________________________________________
> > > Web Page:  http://lug.boulder.co.us
> > > Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug
> >
> > _______________________________________________
> > Web Page:  http://lug.boulder.co.us
> > Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug
> 
> 
> _______________________________________________
> Web Page:  http://lug.boulder.co.us
> Mailing List: http://lists.lug.boulder.co.us/mailman/listinfo/lug


____________________________________________________________________
Get your own FREE, personal Netscape WebMail account today at http://webmail.netscape.com.