[Postfixbuch-users] Erkennen der eigenen IP im HELO/EHLO command

[Patrick Ben Koetter]

* SST Berlin <mail at soost-berlin.de>:
> Hallo Liste !
> 
> Es gibt ja Spammer, die folgendes HELO/EHLO command senden:
> 
> 
> "EHLO 213.84.123.68", wobei die IP die eigene ist.
> 
> 
> Der Check "permit_naked_ip_adress" ist ja obsolet, wird wegfallen.
> 
> Aber das ist nicht das Problem, da die RBL-Checks meist den Spammer sowieso
> identifizieren (jedenfalls bei mir).
> 
> Was mich interessieren würde, wie ich meine eigene IP im HELO/EHLO command
> identifizieren kann.

smtpd_recipient_restrictions =
    ...
    permit_mynetworks
    ...
    check_helo_access pcre:/etc/postfix/helo_checks
    ...
    permit


# /etc/postfix/helo_checks

/^mail\.state-of-mind\.de$/ 550 Don't use my own hostname: mail.state-of-mind.de
/^state-of-mind\.de$/       550 Don't use my own domainname: state-of-mind.de
/^194\.126\.158\.24$/       550 Don't use my own IP address: 194.126.158.24
/^\[194\.126\.158\.24\]$/   550 Don't use my own IP address: 194.126.158.24
/^212\.14\.92\.88$/     550 Don't use my own IP address: 212.14.92.88
/^\[212\.14\.92\.88\]$/     550 Don't use my own IP address: [212.14.92.88]
/^212\.14\.92\.89$/     550 Don't use my own IP address: 212.14.92.89
/^\[212\.14\.92\.89\]$/     550 Don't use my own IP address: [212.14.92.89]
/^212\.14\.92\.90$/     550 Don't use my own IP address: 212.14.92.90
/^\[212\.14\.92\.90\]$/     550 Don't use my own IP address: [212.14.92.90]
/^[0-9.]+$/         550 Your software is not RFC 2821 compliant

HTH,

p at rick

-- 
Das Postfix-Buch
<http://www.postfix-buch.com>
saslfinger (debugging SMTP AUTH):
<http://postfix.state-of-mind.de/patrick.koetter/saslfinger/>