Re: prevent double sends with aliases

[Dave Sill]

Antje Koschel <[EMAIL PROTECTED]> wrote:
>
>how can I prevent that multiple copies of a mail addressed to several aliases
>pointing to the same user are delivered? One copy is just fine.

You'd have to assemble a meta-list on the fly with only the unique
addresses, and send the message to it.

This is better handled on the receiver's end, e.g., using procmail
recipes like:

# Use a 10Kb cache of Message IDs received to avoid duplicate messages
:0 Whc: .msgid.lock
| formail -D 10240 .msgid.cache

# Save probable duplicates for inspection
:0 a:
spool/dupes

-Dave