RE: SMTP Mail Queus

  • From: "Hirantha Wijayawardena" <hirantha@xxxxxxxxxxx>
  • To: "[ExchangeList]" <exchangelist@xxxxxxxxxxxxx>
  • Date: Fri, 8 Aug 2003 17:35:45 +0600

Hi everyone,
Our exchange server relay configured as what Mark Fugatt suggested. But
no SMTP Connector configured. I only configure the Default SMTP virtual
server. I assume that the SMTP Connector not really necessary to
configure coz we are not controlling either the way messages are routing
to SMTP hosts or set additional limits on the types & size of messages.
But I test as Greg Wright said & it gives me the following output..

<<< 220 mail.crescat.com Microsoft ESMTP MAIL Service, Version:
5.0.2195.6713 ready at  Fri, 8 Aug 2003 17:06:05 +0600 
>>> HELO www.abuse.net
<<< 250 mail.crescat.com Hello [208.31.42.77]

Relay test 1
>>> RSET
<<< 250 2.0.0 Resetting
>>> MAIL FROM:<spamtest@xxxxxxxxx>
<<< 250 2.1.0 spamtest@xxxxxxxxxxxxxxxxxxx OK
>>> RCPT TO:<hirantha@xxxxxxxxxxx>
<<< 250 2.1.5 hirantha@xxxxxxxxxxx 
>>> DATA
<<< 354 Start mail input; end with <CRLF>.<CRLF>
>>> (message body)
<<< 250 2.6.0  <rlytest-1060340752-8635@xxxxxxxxx> Queued mail for
delivery

Relay test result
Hmmn, at first glance, host appeared to accept a message for relay.

THIS MAY OR MAY NOT MEAN THAT IT'S AN OPEN RELAY.

This is what I want to know. Systems appear to accept relay mail, but
then reject messages internally rather than delivering them.

As Greg Wright said my backlog is getting lot of mails.

Do I have to configure the SMTP Connector to eliminate this? Please help
me on this. :-( 

Thank you in advance,
- Hirantha 


-----Original Message-----
From: Greg Wright [mailto:greg@xxxxxxxxxxxx] 
Sent: Friday, August 08, 2003 11:58 AM
To: [ExchangeList]
Subject: [exchangelist] RE: SMTP Mail Queus

http://www.MSExchange.org/

You might like to consider cleaning the backlog as well, since an open
relay system can backlog quite a lot of email. Also, many emails will be
undeliverable, and will therefore attempt to send a few times before the
server gives up. Therefore, not clearing them can also waste bandwidth
and slow down the server.


-----Original Message-----
From: Mark Fugatt [mailto:mark@xxxxxxxxx] 
Sent: Friday, 8 August 2003 3:24 PM
To: [ExchangeList]

http://www.MSExchange.org/

Read this document quick and stop the relay:
http://www.msexchange.org/tutorials/MF005.html

Hope this helps

Mark Fugatt
MCT, MCSE, Microsoft Exchange MVP
Pentech Office Solutions Inc
Tel:  585 586 3890
Cell: 585 576 4750
Fax:  585 249 0316
www.4mcts.com
www.exchangetrainer.com 


-----Original Message-----
From: Hirantha Wijayawardena [mailto:hirantha@xxxxxxxxxxx]
Sent: Friday, August 08, 2003 12:43 AM
To: [ExchangeList]

http://www.MSExchange.org/


Dear All,

 

Quick question..

 

Why SMTP mail queues is filled with others mail domain which tries to
send later. I have a lots of mail domain such as malibumailz2.com,
1500usanow.com, wioftw.com etc. (we are not sending mails to these type
of
Domains) in the SMTP queue. 

 

I'm using ex2k with sp4

Thanks in advance

 

- Hirantha 

 

        
        
HIRANTHA WIJAYAWARDENA

ICT Co-ordinator

Crescat Developments Limited

Mobile: +94 777 560115

Phone: +94 75 540404

www.crescatcity.com

 

  
 

 

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