Re: Debug for "can't determine message sender"

From: Murray S. Kucherawy <>
Date: Fri, 24 May 2013 08:23:39 -0700 (PDT)

On Fri, 24 May 2013, Andrey Salnikov wrote:
> Its any way to debug "can't determine message sender" message? I
> found dependence with mail client and getting "can't determine message
> sender". All messages sent by Outlook isn't signed. How I can grab
> headers from unsigned messages to fix this issue.

It means the message didn't have a From: field, or any field designated as
a "sender" field by your configuration. If you have the "sender macro"
feature enabled, then that macro didn't contain a value either.

Received on Fri May 24 2013 - 15:23:57 PST

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