> On Feb 17, 2016, at 5:18 AM, Tobi wrote:
>
> use a regexp on recipient and/or sender domain to reject such messages.
> postfix accepts underscore in domain names as this is a common mistake
> by many legitimate admins
There's little reason to do this. If the domain is resolvable, accept it,
Am 17.02.2016 um 09:30 schrieb Suuuper:
>
> I tried to add reject_non_fqdn_recipient in
> smtpd_recipient_restrictions, but it doesn't work.
>
use a regexp on recipient and/or sender domain to reject such messages.
postfix accepts underscore in domain names as this is a common mistake
by many l
Hi,
if i read RFC 2821 (paragraph 2.3.5), the domain can contain only
letters, digits, and hyphen but if i try to write an email with _,
postfix accepts the mails.
Es:
telnet 10.0.8.141 25
ehlo example.com
250-fe.example.org
250-PIPELINING
250-SIZE 220200960
250-ETRN
250-STARTTLS
250-ENHANCEDSTAT