Blocking emails that claim to come from our

Jon Leeman technician at CENPAC.NET.NR
Wed Dec 7 17:28:31 GMT 2005


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Drew Marshall wrote:
> On Wed, December 7, 2005 16:59, Jon Leeman wrote:
> 
>>I just tried,
>>
>>smtpd_client_restrictions = permit_mynetworks, check_client_access
>>hash:/etc/postfix/mydomain_rules
>>smtpd_helo_restrictions = permit_mynetworks,  check_helo_access
>>hash:/etc/postfix/mydomain_rules
>>
>>(without the warn_if_reject)
>>
>>and received this from the MX from outside the network,
>>
>>220 nract1.cenpac.net.nr GATEWAY MX  - We don't authorise this
>>mailserver for the transport of unsolicited and/or bulk email.
>>helo jon.cenpac.net.nr
>>250 nract1.cenpac.net.nr
>>mail from:postmaster at cenpac.net.nr
>>250 Ok
>>rcpt to:jleeman at cenpac.net.nr
>>554 <jon.cenpac.net.nr>: Helo command rejected: Rejected. You are not me
>>
>>>my mydomain_rules:
>>>flyairpanama.com REJECT Rejected. You are not me.
> 
> 
> Could you post the logs from this.

 From /var/mail/info [Mandrake 10.0]

Dec  8 05:12:09 nract1 postfix/smtpd[6820]: NOQUEUE: reject: RCPT from 
unknown[203.98.227.11]: 554 <jon.cenpac.net.nr>: Helo command rejected: 
Rejected.  You are not me.; from=<postmaster at cenpac.net.nr> 
to=<jleeman at cenpac.net.nr> proto=SMTP helo=<jon.cenpac.net.nr>

Regards,

Jon

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