Re: Extracting to username of the To header

Here's my code to do exactly this, with some additional features:

- The prefix "xx" is required, so this will file mail to
  xxwhatever(_at_)myudomain(_dot_)com to mailbox whatever. (The variable part of
  the name must be all letters, numbers, underscore, dash or dot.)

- it checks the mailbox name against a list of addresses I no longer
  want to receive mail from (eg, ecommerce sites after I've gotten my
  receipt) and dumps it;

- it checks the mailbox against a list of those for which I should not
  receive any mail that does not contain the address in the To or CC
  fields (ie, if a spammer Bcc's my ebay address, it will be filed to
  /dev/null rather than the ebay mailbox).

- it adds a header to the mail allowing client-side filtering

You don't need formail to retrieve the list, you can do that with the
#MATCH variable although you'll need some form of prefix. I've had
little luck getting the \/ to work at the beginning of a pattern.

Good luck.

ken


:0
* xx\/[^\(_dot_)]*(_at_)mydomain\(_dot_)com
{

        :0 iw
        LISTNAME=|echo $MATCH | perl -pe 's/^([a-z0-9_\.-]*)@.*$/$1/i'

        :0
        * $ LISTNAME ?? ${DUMP}
        /dev/null

        :0:
        * ! $ ^TO.*${LISTNAME}
        * $ LISTNAME ?? ${NO_ANON}
        spam-suspected

        :0 f
        | formail -a "X-Filter-ID: Filtered/$LISTNAME"

        :0:
        $LISTNAME
}


On Sat, 3 Feb 2001, Fiona Whelan wrote:

> Hello,
>
> I am new to this list and was hoping that someone might be able to help me.
> I have a Linux shell account and all mail for my subdomain goes to my user 
> account.. so it
> doesn't matter what username is used, I will receive it. I already use this 
> with procmail for
> having automatic-response addresses, etc but what I want to do is this:
>
> extract the username from To: header into the variable $TOUSER, copy the mail 
> to the folder
> /home/fiona/Mail/$TOUSER, and then pipe the mail into my shell script 
> whattodo.sh.
>
> I reckon I need to be using formmail to do the extraction bit, but am not too 
> familar with it.
> Can anyone help out?
>
> Thanks in advance,
>   __
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