Re: Aliases xFrom address restriction

On Sat, 2 Sep 2006, Matthias H?ker wrote:

> Jasim Asfoor schrieb:
> > Hi,
> >
> > I need /etc/procmailrc to restrict "From" mail coming to different
> > aliases by searching at a common whitelist file.
> >
> > If the email "To" address is HQ_employee(_at_)domain(_dot_)com , compare the 
> > mail
> > "From" address matching pattern with a common "whitelist" file. i.e
> > eg:/etc/procmail/whitelist
> >
> > ----whitelist file content may be like this---------
> the From is easaly faked it i sbetter to look for the Envelope  from
>
> first you have to do something like:
>
> :0  #read the last Received from Header
> * ^Received:.*\/[^ ].*
> { X_RECEIVED=$MATCH }
>
> :0   # reading the part after envelope from
> * $ X_RECEIVED ?? envelope-from[ ]+\/.*
> { X_ENVELOPE_FROM=$MATCH }

        'envelope-from' not exist in some messages.  Instead of
        'Received:'  I prefer extracting  From_  by formail:

theSENDER=`formail -rz -x"To: "`

Bye,
  Udi


> # setting $NL for a newline
>
> NL = "
> "
>
> # finding fgrep at the right place
> FGREP=/usr/bin/fgrep
>
> :0
> * ? (echo "$X_ENVELOPE_FROM" | \
>     $FGREP -i -f /etc/mail/friendslist)
> {
> LOG = "$NL ======> Received Email From \
> "$X_ENVELOPE_FROM" is Whitelisted <====== $NL"
> WHITE=YES
> }
>
>
>
> the file
>
> /etc/mail/friendslist
>
> can have the email of your friends 1 by 1 line, a empty line will work
> like wild card
>
>
> now you can use
> :0:
> *   WHITE ?? YES
> /var/mail/whiteinboxfile
>
>
> Matthias
>
>
>
>
>
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>
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