Re: avoid external emails that the from=< and the to=< are the same user

2018-11-23 Thread Francesc Peñalvez
El 16/11/2018 a las 15:41, Wietse Venema escribió: Francesc Pe?alvez: Lately we are receiving spam mails that apparently the mail from the and the to is the same. How is it possible to avoid this?. I have configured postfix to avoid the relay of emails and to be able to send mail through my

Re: avoid external emails that the from=< and the to=< are the same user

2018-11-16 Thread Wietse Venema
Francesc Pe?alvez: > Lately we are receiving spam mails that apparently the mail from the and > the to is the same. How is it possible to avoid this?. I have configured > postfix to avoid the relay of emails and to be able to send mail through > my postfix is necessary the auth , these emails

Re: avoid external emails that the from=< and the to=< are the same user

2018-11-16 Thread Dominic Raferd
On Fri, 16 Nov 2018 at 13:20, Francesc Peñalvez wrote: > > Lately we are receiving spam mails that apparently the mail from the and > the to is the same. How is it possible to avoid this?. I have configured > postfix to avoid the relay of emails and to be able to send mail through > my postfix is