Bowie Bailey writes:
For one of my users, I am cc-ing his email to a second Courier server. For some reason, when I do this, the mail that arrives at the other server has a blank line inserted between the original headers and the headers added by the second server. This does bad things to the email as the old headers are now seen as part of the body.I am doing the forwarding using a maildrop recipe that simply looks like this: cc "!u...@domain.com" How can I troubleshoot this? It seems to have something to do with the receiving server. If I forward to an address that delivers on the local server, the problem does not occur. Here is a minimally-munged example of the email as delivered by the second server after the forward. http://pastebin.com/fMdVxb7Y
The presence of the "From " header /after/ the blank line is a tell-tale sign that the message text was delivered to an mbox file, and then read back from it, before being sent again. The "From " line is typically written when a message gets delivered to an mbox file, at some point along the way.
The message headers also show an intermediate Received: header from some gizmoware called "SAVSMTP". That would be another likely culprit that's messing with the email.
Googlesearch for SAVSMTP suggests its some Symantic antivirus gizmoware.
I'm not entirely sure where the "undisclosed-recipients" line is coming from. Is Courier adding that since it doesn't think the original email has a "To:" line?
Correct.
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