..This is an example of 'deep-scanning' and not connection
..rejection based on simple blacklisting.
..The server is taking in the message and then
..analyzing the content of the message along
..with IP and domain based tests, and is
..then rejecting it. This explains why some
..messages
Of Douglas Brantley
Sent: Tuesday, September 19, 2006 7:29 AM
To: Imail_Forum@list.ipswitch.com
Subject: RE: [IMail Forum] Relay Server Error Message - 554 Message
Refused
..This is an example of 'deep-scanning' and not connection ..rejection
based on simple blacklisting.
..The server
On Monday, September 18, 2006, 11:54:54, Douglas Brantley wrote:
...
Outgoing mail must be sent through a Relay Server I do not manage
...
I am seeing some, but not all, messages returned from the Relay Server
with the error message 554 Message refused
...
09:18 00:33
..You'll have to ask the postmaster at your Relay Server I do
..not manage why they are rejecting the mail.
Did that...
They claim the problem is with Imail.
They believe Imail is sending the message without valid sender information.
I am attempting to eliminate Imail as the
To: Imail_Forum@list.ipswitch.com
Subject: RE: [IMail Forum] Relay Server Error Message - 554 Message Refused
..You'll have to ask the postmaster at your Relay Server I do ..not manage
why they are rejecting the mail.
Did that...
They claim the problem is with Imail.
They believe Imail is sending
..Is your gateway provider expecting IMail to Authenticate?
..It won't do that;
..they need to trust the mail coming from your server.
Nope. No auth required by the relay server.
db
To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html
List Archive:
Of Douglas Brantley
Sent: Monday, September 18, 2006 12:57 PM
To: Imail_Forum@list.ipswitch.com
Subject: RE: [IMail Forum] Relay Server Error Message - 554 Message Refused
..Is your gateway provider expecting IMail to Authenticate?
..It won't do that;
..they need to trust the mail coming from your server
Sent: Monday, September 18, 2006 12:44
To: Imail_Forum@list.ipswitch.com
Subject: RE: [IMail Forum] Relay Server Error Message - 554 Message Refused
..You'll have to ask the postmaster at your Relay Server I do ..not manage
why they are rejecting the mail.
Did that...
They claim the problem
..Your logs show IMail sending the message correctly and their
..server refusing it.
I have asserted this to the relay server manager.
..Your gateway providers need to look deeper into why they
..are refusing it as IMail appears to be doing it's job.
While I have sent them several
On Monday, September 18, 2006, 12:43:30, Douglas Brantley wrote:
..You'll have to ask the postmaster at your Relay Server I do
..not manage why they are rejecting the mail.
Did that...
They claim the problem is with Imail.
They believe Imail is sending the message without valid sender
..Valid sender information? They don't like the from address?
..Is it failing their valfrom test?
No, they claim the sender information is blank or invalid data.
..If they're your smtp relay,
..they should accept all mail from your server's IP, right?
Correct.
db
To Unsubscribe:
Cutting to the chase...
09:18 00:33 SMTP-(4bb2000641d81d51) MAIL FROM:[EMAIL PROTECTED]
09:18 00:33 SMTP-(4bb2000641d81d51) 250 Sender accepted.
Unless this log file was tampered with by you, this means the sender was
accepted by their server and what they are telling you is BS.
Unfortunately
..What exactly do they mean by valid sender information
Good question.
The only example they gave to me so far was a blank To address.
..they have accepted both the Sender (MAIL FROM) and
..Recipient (RCPT TO) addresses.
I pointed this out to them but they claimed the
check is
@list.ipswitch.com
Subject: RE: [IMail Forum] Relay Server Error Message - 554 Message
Refused
..What exactly do they mean by valid sender information
Good question.
The only example they gave to me so far was a blank To address.
..they have accepted both the Sender (MAIL FROM
On Monday, September 18, 2006, 14:14:19, Douglas Brantley wrote:
..What exactly do they mean by valid sender information
Good question.
The only example they gave to me so far was a blank To address.
What kind of To address?
They've already accepted your RCPT TO so they must be referring to
..Cutting to the chase...
..
.. 09:18 00:33 SMTP-(4bb2000641d81d51) MAIL FROM:[EMAIL PROTECTED]
.. 09:18 00:33 SMTP-(4bb2000641d81d51) 250 Sender accepted.
..
..Unless this log file was tampered with by you,
..this means the sender was accepted by their
..server and what they are telling you
On Monday, September 18, 2006, 16:05:34, Douglas Brantley wrote:
..Ideally you're telneting from host running IMail.
..Try these additional steps:
..1) wait until after getting the 220 before sending the HELO command
..2) include your FQHN in the HELO command
..3) include a From: header with
..Ideally you're telneting from host running IMail.
..Try these additional steps:
..1) wait until after getting the 220 before sending the HELO command
..2) include your FQHN in the HELO command
..3) include a From: header with the same address as the MAIL FROM command
..4) include a To: header
..Try the same test only instead of a To: header use a Cc: header.
Did that...the message was accepted.
db
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Knowledge Base/FAQ:
Doug,
This is an example of 'deep-scanning' and not connection rejection based
on simple blacklisting. The server is taking in the message and then
analyzing the content of the message along with IP and domain based
tests, and is then rejecting it. This explains why some messages work
and
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