Re: SMTP Queue
From: sjs (anonymous_at_discussions.microsoft.com)
Date: 09/30/04
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Date: Thu, 30 Sep 2004 12:02:53 -0700
How can I determine if my server is set as an "open
relay"? I'm having the same issue and am wondering if the
400 or so queues are consuming resources that is delaying
the delivery of my valid outbound msg's.
tks,
steve
>-----Original Message-----
>Exchange will automatically delete these from the queue
folder, based on the
>"Expiration timeout" setting in the Delivery tab for the
SMTP virtual server
>properties, usually 2-3 days. The real question is where
are all these "bad"
>mail messages coming from? The server would process them
if it could.
>
>If the messages are sitting in the outbound SMTP queue,
it's probably a
>routing / can't find the destination server problem. A
couple of things I
>would check:
>
>1) Does the email server have good, reliable DNS name
resolution? I assume
>so, but didn't want to leave out the obvious.
>
>2) Is your server configured as an open (or partially
open) relay?, and some
>spammer is using your server to bounce messages out to
the world, and the
>messages in your queue are just recipients that the
spammer doesn't know are
>invalid?
>
>3) The messages in the outbound queue, are these NDRs
that your server is
>trying to send out? We have an email gateway that
doesn't know about the
>account names of valid recients in our domain, and we get
a lot of spam that
>gets sent into our internal mail store from spoofed
senders to
>random_recipient@mydomain.com . When it is forwarded to
my internal mail
>server, it rejects it and the server tries to reply with
an NDR to these
>spoofed, invalid domains.
>
>
>Hope this helps.
>
>--
>John Dotson
>praetorian7x-news@yahoo.com
>"I don't know much, but what I do know is an imbroglio."
>"Thaddeus" <thad@jaeger-nickola.com> wrote in message
>news:0c0a01c4a6fe$a33d63f0$a301280a@phx.gbl...
>> I keep getting the following notification every day and
>> have looked at the SMTP queue. It has a lot of mail
just
>> sitting in it from SPAM domains, but I do not know how
to
>> clear out the queue. All email coming from valid
>> senders, or waiting to be delivered to individual
>> mailboxes is clear and working as it is supposed to, but
>> this just sits and takes up space. Any help would be
>> great. If need be, i can email a screenshot of our SMTP
>> queue if that would help assess the problem. Thank you.
>>
>> **MESSAGE**
>>
>> A large number of messages are pending in the e-mail
>> server send queue.
>>
>> Verify that you have Internet connectivity. If you can
>> view Web sites normally, contact your Internet service
>> provider (ISP) to determine if there is a problem with
>> their e-mail server.
>>
>> You can disable this alert or change its threshold by
>> using the Change Alert Notifications task in the Server
>> Management Monitoring and Reporting taskpad.
>>
>
>
>.
>
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