Mail authentication error?

[Gbenga Shobowale]

On 9/22/06, Hongwei Li <hongwei at wustl.edu> wrote:
> > Hongwei Li schrieb:
> >
> >>Hi,
> >>
> >>I have a problem in my FC4 system. System info:
> >>kernel: 2.6.16-1.2096_FC4
> >>sendmail: 8.13.6-0.FC4.1
> >>dovecot: 0.99.14-4.fc4
> >>
> >>Recently, users say that they cannot use Outlook to send emails out if they
> >>set SSL connection with port 587 for outgoing server and 993 for incoming
> >>server.  Then, I tested a guest account on several computers. The strange
> >>thing is when I test it on my PC and another one, everything works well.
> >>However, when I test it on other 2 computers (all are Win XP pro, with
> >> Outlook
> >>2003), I cannot send emails out.  The error message from Outlook is:
> >>
> >>Task 'Matt Morp - Sending' reported error (0x800CCC7D) : 'Your outgoing
> >> (SMTP)
> >>server does not support SSL-secured connections. If SSL-secured connections
> >>have worked in the past, contact your server administrator or Internet
> >> service
> >>provider (ISP).'
Why not try and reconfigure the server without SSL and do a test...if
they all work..then i would say it might be the your outlook client
might be corrupt and you might need to reinstall them...
Or You could use another client to test apart from outlook..
> >>
> >>The system log shows:
> >>
> >>Sep 22 13:27:22 morpheus sendmail[27813]: k8MFRMjY027813: [128.252.85.77] did
> >>not issue MAIL/EXPN/VRFY/ETRN during connection to MSA
> >>
> >>
> >>All computers are in our campus and in the same subnet.  Also, users didn't
> >>complain before yesterday, but I didn't change the system recently. My
> >>questions are:
> >>
> >>1. What does the above message mean?
> >>
> >>
> > Sendmail informs you by syslogging that a host with the named IP did
> > initialize a connection on the MSA port and that  none of the 4 named
> > SMTP commands followed. Thus the SMTP session ended without a message
> > being transferred, it even wasn't tried from client side.
> >
> >>2. Why the same account can send emails from two PCs, but not from other PCs
> >>when all use Outlook 2003 with the same settings (SSL connection, port 587
> >> for
> >>outgoing, etc.)?
> >>
> >>
> > You will have to check your /var/log/maillog to see what happens if the
> > non working client connection happens. Maybe increase the Sendmail
> > log_level to 15 (default / standard is 9) to get verbose output.
> > My guess from several of these cases: I bet there runs Norton Antivirus
> > or some Windows TCP stack breaking so called Personal Firewall on the
> > hosts where the clients fail. If Norton Antivirus is checking outgoing
> > SMTP connections and they are SSL/TLS secured, those connections fail.
> > Personal Firewalls do harmful things if misconfigured.
> >
> >>Thanks!
> >>
> >>Hongwei Li
> >>
> > Alexander
> >
>
> All of the 4 PCs have personal firewall turned on, all have SAV real-time
> protection on -- exact same settings. I also tried to turn off personal
> firewall and SAV off, but on the 2 PCs that I could not send email before, I
> still can't do it.  On the 2 PCs that I can send email out, it doesn't matter
> whether personal firewall and/or SAV is on or off, I can always send mails
> out.
>
> When I try to send emails out on the "failed" PCs, the maillog shows:
>
> Sep 22 15:01:54 rust sendmail[18406]: k8MK1stJ018406: [128.252.85.77] did not
> issue MAIL/EXPN/VRFY/ETRN during connection to MSA
> Sep 22 15:01:54 rust sendmail[18408]: k8MK1sHQ018408: [128.252.85.77] did not
> issue MAIL/EXPN/VRFY/ETRN during connection to MSA
> Sep 22 15:02:02 rust dovecot: imap-login: Login: user=<msnet>, method=PLAIN,
> rip=::ffff:128.252.85.77, lip=::ffff:128.252.85.35, TLS
> Sep 22 15:02:02 rust dovecot: imap-login: Login: user=<msnet>, method=PLAIN,
> rip=::ffff:128.252.85.77, lip=::ffff:128.252.85.35, TLS
> Sep 22 15:02:02 rust dovecot: imap(msnet): mbox sync: UID inserted in the
> middle of mailbox /home/msnet/mail/Sent (372 > 11, seq=5, idx_msgs=9)
> Sep 22 15:03:13 rust dovecot: imap-login: Login: user=<msnet>, method=PLAIN,
> rip=::ffff:128.252.85.77, lip=::ffff:128.252.85.35, TLS
> Sep 22 15:03:13 rust dovecot: imap(msnet): mbox sync: UID inserted in the
> middle of mailbox /home/msnet/mail/Sent (378 > 11, seq=5, idx_msgs=9)
> Sep 22 15:03:23 rust dovecot: imap(msnet): mbox sync: UID inserted in the
> middle of mailbox /home/msnet/mail/Sent (384 > 11, seq=5, idx_msgs=9)
>
> I also, tried on my FC5 system, the same situation.  I just could not figure
> it out why.
>
> Thanks!
>
> Hongwei
>
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