На один из моих серевов постоянно приходит писбма счастья от абуз служб, решил уточнить у них в чем все таки дела и вот что они мне ответили:
Note: xxx.xxx.xxx.xxx appeared to be suspicious because it was using the
following name to identify itself during email (port 25) connections
via the SMTP HELO/EHLO commands:
xxx.xxx.xxx.xxx
This is USUALLY spamware, but in some rare circumstances, it can be a
misconfiguration in your mail server. The CBL attempts to distinguish
real mail server software from malware SMTP clients by expecting users
to name their mail server[s] to indicate who _they_ are, not their
provider and be consistent with Internet protocol standards.
Use of a bare IP address in the HELO is a violation of
RFC2821 section 4.1.1.1, which says that the HELO value MUST
be either a fully qualified domain name (such as "mail01.example.com")
or an IP address enclosed in square brackets (such as "[xxx.xxx.xxx.xxx]").
Сразу вопрос а где в sendmail-е собственно это настроить, пошарился по интернету, не чего толкого не нашел.
