Hi everybody.

I´m receiving some e-mails coming from outside with the FROM pointing to
my local domain. This causes confusion on my antispam tools.
Ex: I received an e-mail from the internet with webmas...@iqm.unicamp.br
(which is my domain) as FROM. How can I make postfix to accept incoming
e-mails from mydomain (iqm.unicamp.br) only if they are sended from my smtp
mail servers?

I do not use virtual domains. Single domain only.
CentOS 6.5 with postfix 2.6.6

Thanks
 Atenciosamente
 
/André Luiz Paiz/
/Analista de Redes/
/Instituto de Química – Unicamp/
/andre.p...@iqm.unicamp.br/
/Telefone: (19)3521-0197/

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