Re: [exim] Ultimate spam defense - check for the sender MX r…

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Szerző: Marc Perkel
Dátum:  
Címzett: Artem S. Tashkinov
CC: exim-users
Tárgy: Re: [exim] Ultimate spam defense - check for the sender MX record


Artem S. Tashkinov wrote:
> Hello,
>
> I would like to increase a spam defense of our server by checking if a
> sender really represents an MX server of his/her organization. So if a
> certain PC is trying to send me an e-mail from user@??? then we
> will check if this person's IP address is within MX servers of
> domain.com, otherwise we'll refuse to accept the mail.
>
> Is it feasible? How can I achieve this?
>
> With respect and happy holidays
>
> Artem
>
>


I'm not sure that's a good plan because I send email from a different
server than I receive email on. I think that's actually common. Unless
I'm not understanding what you're saying.