[Mimedefang] Splitting a message into multiple messages?

[Steffen Kaiser]

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On Thu, 5 Mar 2009, Chris Nowak wrote:

> Is there any way to duplicate the message so a copy goes to test1 at test.com
> with its tag and goes the other way the other tag?  (or should I just stick
> with one tag?)

If you can ask that question, it is probably the best way to use the "or 
should I" branch ;-)

Because MIMEDefang kicks in during SMTP time, the message is processed 
just once regardless of the number of recipients. If you want to modify 
the message per recipient, you can use the functions:

+ stream_by_recipient / stream_by_domain
+ resend_message (you need to delete recipients you resend the message 
to or discard the current one, as stream_by_* do)

both functions have their pros and cons; basically, both ways resubmit the 
message into the sendmail queue and you have control over the recipients 
of the new message(s). However, you should not reject a message after 
resubmitting to avoid backscatter.

The second way is handy, if you want to split just a few recipients, but 
requires some more handling, e.g. I don't know what happens, if you remove 
all recipients from a message within MIMEDefang, but accept it.

Bye,

- -- 
Steffen Kaiser
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