[CentOS] close open relay

Dennis Kaptain dkaptain at yahoo.com.mx
Thu Nov 13 00:39:09 UTC 2008


----- Mensaje original ----

> De: Christopher Chan <christopher.chan at bradbury.edu.hk>
> Para: CentOS mailing list <centos at centos.org>
> Enviado: miércoles, 12 de noviembre, 2008 17:59:25
> Asunto: Re: [CentOS] close open relay
> 
> 
> >>> I am getting investigating all this as I am getting return emails
> >>> from sbcglobal that I am spam.
> 
> Can you collaborate those mails with your logs?
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> CentOS at centos.org
> http://lists.centos.org/mailman/listinfo/centos


Yes, check your logs to see if your mail server ever sent those messages.
I often get bounce emails back for my domain name at my web hosting provider. The server at my web hosting provider never sent those emails but a spamer somewhere else spoofed the from and/or reply-to as being from my domain.



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