Re: [exim] rewrite From header with smtp auth-ed username?

Am 11.12.2012 16:42, schrieb Jan Ingvoldstad:
> 1. Permit accounts to send on behalf of its associated domainname.

IMHO, it would be enough to check if the sender domain match the account
domains.

if the attacker uses the mailclient of the customer, there will be no
chance to find out, except for rate
limit violations.

Marius