Gerardo Herzig asked the following:
Hi. I trying to compare both special variables, ^TO and ^FROM
Can i use something like this:
From = ^FROM
To = ^TO
:0:
* $From ?? $To
myFolder
Here this idea in not working. Why?
You need to study the procmail documentation some more, especially the
procmailrc man page. ^TO is a macro that contains a complex regular
expression for matching various e-mail headers that indicate to whom an
e-mail is addressed. There is no macro named ^FROM, though there is
^FROM_DAEMON and ^FROM_MAILER. Anyway, these macros are not variables and
cannot be used in the manner in which you are attempting to use them.
In any event, here is a recipe which probably does what you want:
# E-mails where the To: and From: headers match are probably spam.
TO_VALUE # Insure TO_VALUE is unset.
FROM_VALUE # Insure FROM_VALUE is unset.
:0
* ^To:[ ]*\/[^ ].*
{ TO_VALUE = $MATCH }
:0
* ^From:[ ]*\/[^ ].*
{ FROM_VALUE = $MATCH }
:0:
* TO_VALUE ?? .
* FROM_VALUE ?? .
* $ FROM_VALUE ?? ^^$\TO_VALUE^^
mbox.scratch
Hope this helps,
Ed
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