Daniel L. Miller:
> Other than scanning the logfiles, is there a way a service can receive
> notification of a successful delivery to a remote site? In other words,
> a trusted client submits mail for a remote site, Postfix connects and
> receives acknowledgement from the remote site, and then notifies a local
> process of the result?
Postfix 2.3 and later implement RFC 3461 (SMTP DSN Extension).
This allows SMTP clients to specify how the sender wants to be
informed of successful, delayed or failed deliveries.
Wietse
