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bloquear acesso a smtp externo.


leoreis

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Boa noite, está acontecendo com frequência envio de spam em emails de alguns clientes, eu gostaria de bloquear o acesso a smtp externo, existe alguma forma para bloquear o envio de email via smtp, não conseguir encontrar nada sobre nas pesquisas que fiz.

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se sua maquina for Linux ! (VPS , CLOUD , DEDICADO)
digite -> iptables -A INPUT -s 0/0 --dport 25 -j DROP
Ou Instale o CSF Config Server Firewall e faça isso nas configuraçoes !  :)
É um servidor com cpanel eu tenho CSF, mas bloqueando a porta 25 não deixaria de funcionar os emails do cpanel também?

Enviado de meu Redmi Note 3 usando o Tapatalk

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