Re: Reading Exchange 2003 SMTP Logs / Expected emails don't always arrive
- From: "Sergio" <myname@xxxxxxxxxxxx>
- Date: Fri, 2 Mar 2007 16:40:14 -0000
Andy,
Apologies. I should have stated. The following are the options selected (if
it would help I can import the SMTP VS logs into an excel file with the
appropriate headings....let me know):
date time c-ip cs-username s-sitename s-computername s-ip s-port cs-method
sc-status sc-bytes cs-bytes time-taken cs-version cs-host
Thanks for your reply and for taking the time to read my post.
Sergio
"Andy David {MVP}" <adavid@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
news:79igu2d5vq75mhpgiuhadjg4etdhjeg0pl@xxxxxxxxxx
On Fri, 2 Mar 2007 15:11:29 -0000, "Sergio" <myname@xxxxxxxxxxxx>
wrote:
Hi,
We have been experiencing an issue now for a week or so and feel as though
I
have exhausted every avenue in trying to find out why we are having this
issue. Essentially some emails (with attachment) aren't always received by
our users. The senders of the emails are, to the best of my knowledge,
always the same users. From what I can make out the senders IT
infrastructure has multiple Exchange servers (maila.domain.net,
mailb.domain.net, mailc.domain.net etc).
I have checked that no emails are getting blocked by the RBL we use and
have
included the senders domain in a white list. I have checked that the
emails
are not getting caught by our antivirus software. The email that doesn't
appear to arrive typically contains an attachment (approx 1 MB in size)
and
is sent to many people (maybe 30 or 40). I can confirm that there isn't a
restriction that would block the email due to the number of intended
recipients (I have left the default setting of 5000 in Exchange) and
likewise for inbound and outbound mail size (currently set to 15 MB).
There
are no individula limits set.
I have setup SMTP logging and would like some assistance in reading the
following extract (I have changed both the senders IP address and domain
name for obvious reasons).
My understanding is that, taking the extract below:
1) server 'maild.domainn.net' with IP address 1.2.3.4 has established
comunicaton with our server 'SERVER1' with IP address 192.168.30.3
sucessfully (EHLO 250).
2) It then goes on to declare the senders email address (MAIL 250)
successfully.
3) It declares the email address of the recipients successfully (RCPT
250),
and in this case there are 4 recipients.
4) There does *not* appear to be the DATA or BDAT declaration which would
tell our server to expect data (the email) to follow, it just quits
successfully (QUIT 240).
Is this normal? Why is there no DATA or BDAT?
What options have you chosen under to log under the Extended options
dialog box on the SMTP VS?
Thanks in advance for any thoughts, comments and assiastance.
Sergio
.
- References:
- Reading Exchange 2003 SMTP Logs / Expected emails don't always arrive
- From: Sergio
- Re: Reading Exchange 2003 SMTP Logs / Expected emails don't always arrive
- From: Andy David {MVP}
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