[exim] Envelope sender address rewriting

Hello,

I want to add a tag before the envelope sender address (MAIL FROM). But none of the following rules works as expected :

\N^<(.*@mydomain.com)>$    <TAG$1>                                 S
\N^<(.*@mydomain.com)>$    <TAG$1>                                 F
\N^<(.*@mydomain.com)>$    <TAG$1>                                 SF

Here are the log lines for each case :

Dec 16 08:52:14 gw-mail exim[10090]: 1LCUix-0002ck-MW <= TAGfrom@??? H=localhost (toto) [127.0.0.1] P=esmtp S=256
Dec 16 08:52:16 gw-mail exim[10091]: 1LCUix-0002ck-MW ** TAGto@??? R=dnslookup T=remote_smtp: xxxxxxxxxxxx

Dec 16 08:53:07 gw-mail exim[10123]: 1LCUjo-0002dH-Ux <= from@??? H=localhost (toto) [127.0.0.1] P=esmtp S=252
Dec 16 08:53:07 gw-mail exim[10124]: 1LCUjo-0002dH-Ux ** to@??? R=dnslookup T=remote_smtp: xxxxxxxxxxxx

Dec 16 08:54:03 gw-mail exim[10158]: 1LCUkj-0002dq-AF <= TAGfrom@??? H=localhost (toto) [127.0.0.1] P=esmtp S=256
Dec 16 08:54:03 gw-mail exim[10159]: 1LCUkj-0002dq-AF ** TAGto@??? R=dnslookup T=remote_smtp: xxxxxxxxxxxx

With either S or SF tags, both the sender and the recipient addresses are rewritten, while the F tag triggers no action.


Any idea ?


Christian