Level: 6 - Attempt to use mail server as relay (client host rejected).

[Hak Bun]

Dear All,

I have just installed Postfix, Dovecot, and Squirrelmail.

When I test sending out through the web mail, my yahoo can receive the email.

But I get an error "Recipient address rejected: Access denied" when telnet smtp to outside or local mail:

telnet localhost smtp
Trying 127.0.0.1...
Connected to localhost.
Escape character is '^]'.
220 ossec.myossec.com ESMTP Postfix
ehlo localhost
250-ossec.myossec.com
250-PIPELINING
250-SIZE 10240000
250-VRFY
250-ETRN
250-STARTTLS
250-AUTH LOGIN PLAIN
250-AUTH=LOGIN PLAIN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
mail from: hak
250 2.1.0 Ok
rcpt to: hak...@yahoo.com
554 5.7.1 <hak...@yahoo.com>: Recipient address rejected: Access denied
rcpt to: long
554 5.7.1 <long>: Recipient address rejected: Access denied

And also get an error with configuration in OSSEC

 

Error
"

Level:

6 - Attempt to use mail server as relay (client host rejected).

Rule Id:

3301

Location:

localhost->/var/log/maillog

Src IP:

192.168.56.101
Nov 2 16:05:06 localhost postfix/smtpd[7815]: NOQUEUE: reject: RCPT from myossec.local[192.168.56.101]: 554 5.7.1 <hak_...@yahoo.com>: Recipient address rejected: Access denied; from=<h...@myossec.local> to=<hak_...@yahoo.com> proto=SMTP helo=<notify.ossec.net>

"

Please help if you know....

Thanks

Hak

[Eero Volotinen]

Your postfix is incorrectly configured.this is not related with ossec in anyway.

Eero

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[dan (ddp)]

Postfix is denying the email. Perhaps it requires authentication
(which OSSEC does not support)?

> Please help if you know....
> Thanks
> Hak
>