Close Zimbra Relay

Filtrar envio de e-mails Zimbra

Logue na maquina e se torne zimbra
[root@mail~]# su– zimbra
[zimbra@mail ~]$

Altere as permissões do arquivo zmmta.cf para que se possa editar o arquivo.

ls -l /opt/zimbra/conf/zmmta.cf
-rw-r–r– 1 zimbra zimbra 12995 Jun 3 20:10 conf/zmmta.cf
chmod 644 conf/zmmta.cf

Edite o arquivo

vi /opt/zimbra/conf/zmmta.cf

localize a linha:
POSTCONF smtpd_recipient_restrictions FILE postfix_recipient_restrictions.cf

Acima desta linha adicione:
smtpd_sender_login_maps LOCAL postfix_virtual_mailbox_maps
POSTCONF smtpd_sender_restrictions FILE postfix_sender_restricions.cf

Crie o arquivo: postfix_sender_restricions.cf dentro de /opt/zimbra/conf

Adicione o seguinte conteúdo ao mesmo:
reject_authenticated_sender_login_mismatch
reject_unknown_sender_domain
reject_non_fqdn_sender
reject_unlisted_sender
permit_sasl_authenticated
permit_mynetworks
reject_unknown_client
reject_invalid_hostname
reject_unknown_hostname
reject_unauth_pipelining
reject_rbl_client bl.spamcop.net
reject_rbl_client zen.spamhaus.org
reject_rbl_client rhsbl.sorbs.net
reject_rbl_client dnsbl.sorbs.net
reject_rbl_client dns.rfc-ignorant.org
permit

Faça o reload com o zmmtactl
zmmtactl reload

Queria deixar meus agradecimento para meu amigo Elton Ferreira que colaborou com esse artigo.