Israel Garcia:
> I need to add this header to all outgoing email on my servers:
>
> X-SMTPAPI: {"category": "Forum Notifications"}
>
> How can I do that? main.cf file?
>
> thanks in advance,
- A PREPEND action in an smtpd_sender/client_restrictions access
map
- A Milter program that prepends a header.
- An external content filter.
The first two are the low-cost options.
Wietse
