Re: OT: help conditioning on multiple fields using procmail

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Thank you for your help and in detailing the process. Adding the colon to the From: does not prevent e-mail having the Resent-From set at the same e-mail address.

I am trying out your other suggestion.

Thanks again!

Best wishes,
Ranjan


On Tue, 24 Dec 2019 12:09:38 +0900 "Stephen J. Turnbull" <steve@xxxxxxxxxx> wrote:

> Ranjan Maitra writes:
>
>  > So, I use in my .procmailrc:
>  >
>  > :0:
>  > *^From.*user@xxxxxxxxxxx
>  > $HOME/Mail/sent/.
>  >
>  > And it used to work fine. However, recently I have also started
>  > forwarding my e-mail from the address: user@xxxxxxxxxxx and what is
>  > happening is that the e-mail envelope of every forwarded message
>  > now contains the header: Resent-From.*user@xxxxxxxxxxx so all
>  > forwarded e-mail is being saved to the sent folder.
>
> Based on your report, one possibility is that your recipe is catching
> the "Unix From" line (also called "envelope From line"), which has the
> form
>
> From <optional stuff> user@xxxxxxxxxxxx <optional stuff>
>
> and is prepended to emails saved in so-called mbox format.  (This is
> not part of the RFC 5322 Internet Message Format.  It is specific to
> the way mail is handled locally by *some* configurations of *some*
> message delivery agents.  It is not normally displayed by mail
> clients.)  If this is the case, changing the recipe to
>
> :0:
> *^From:.*user@xxxxxxxxxxx
> $HOME/Mail/sent/.
>
> (change is colon after From) should catch only messages with an RFC
> 5322 From "user@xxxxxxxxxxx".
>
>  > Is it possible to have a double condition? That is something that
>  > says that if both Resent-From and From have *user@xxxxxxxxxxx, then
>  > it should go to the sent-folder. In other words, is it possible to
>  > use a AND or OR or Negation condition.
>
> I'll answer the question, but first I gotta preach. ;-)  When you
> don't understand the problem, it is bad practice to ask questions in
> the form "how do I do ...", because respondents are likely to focus on
> the how of doing what you specifically asked, not on solving your
> problem.  That's OK in some sense, you'll learn something, but it's
> likely to be frustrating when you do what you're told and it doesn't
> solve the underlying problem.
>
> To AND conditions:
>
> :0:
> * ^From:.*user@xxxxxxxxxxx
> * ^Resent-From:.*user@xxxxxxxxxxx
> $HOME/Mail/sent/.
>
> and BOTH conditions must match the header of the email.  To OR
> conditions, use separate recipes.
>
> :0:
> * ^From:.*user@xxxxxxxxxxx
> $HOME/Mail/sent/.
>
> :0:
> * ^Resent-From:.*user@xxxxxxxxxxx
> $HOME/Mail/sent/.
>
> and if either condition matches the header of the mail, the mail will
> be saved in $HOME/Mail/sent/. .  Most procmail recipes terminate
> processing on match, so order can matter (but does not in this case
> because there are no side effects and the action is the same).  To
> NEGATE a condition, use ! in the recipe:
>
> :0:
> * ! ^Resent-From:.*user@xxxxxxxxxxx
> $HOME/Mail/sent/.
>
> sending anything NOT Resent-From user@xxxxxxxxxxx to .../sent/.
>
> The recipe that MIGHT do what you want if the colon suggestion doesn't
> work:
>
> :0:
> * ^From.*user@xxxxxxxxxxx
> * ! ^Resent-From.*user@xxxxxxxxxxx
> $HOME/Mail/sent/.
>
> (look Ma, no colons!, and the Resent-From condition is negated).
>
> HTH
>
> Steve
> XEmacs Project
> GNU Mailman Project
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