Article: Q107087
Product(s): Microsoft Mail For PC Networks
Version(s): MS-DOS:2.1,3.0
Operating System(s):
Keyword(s):
Last Modified: 07-NOV-1999
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The information in this article applies to:
- Microsoft Mail Gateway to SMTP, versions 2.1, 3.0
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SYMPTOMS
========
The Microsoft Mail Gateway to SMTP displays this warning:
WARNING No return path
[tx] 250 Sender OK
CAUSE
=====
The name provided in the "mail from" received by the sending host is incomplete
or contains a null value:
[rx] mail from:<>
RESOLUTION
==========
None necessary: this message is informational only and requires no action by the
Mail Administrator. The Gateway continues to process mail.
MORE INFORMATION
================
The example below shows an address without a beginning "<" and an ending
">". This log file was created using the undocumented -CD option which tells
the Gateway to display debug information.
>Incoming SMTP connection from [192.245.59.139]
[tx] 220 All set, fire away
[rx] hello fake.host.com
[tx] 250 Hi there, pleased to meet you
[rx] mail from:jdoe
>WARNING No return path
[tx] 250 Sender OK
Additional query words: 2.10 3.00 2.1 3.0 warning
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Keywords :
Technology : kbMailSearch kbMailGateSearch kbZNotKeyword3 kbMailGateSMTP300 kbMailGateSMTP210
Version : MS-DOS:2.1,3.0
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