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networking:router:mikrotik_mail
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Mikrotik Routers and Mail Issues
- Define list of spam filter servers
- Forward SMTP traffic to internal mail server
- But only from the spam filter servers
- Block outbound SMTP traffic
- But not from the internal mail server
/ip firewall address-list add address=5.10.67.0/24 list=spamfilter add address=94.186.192.0/24 list=spamfilter add address=174.36.154.0/24 list=spamfilter add address=192.69.16.0/24 list=spamfilter add address=192.69.17.0/24 list=spamfilter add address=192.69.18.0/24 list=spamfilter add address=192.69.19.0/24 list=spamfilter add address=208.43.37.0/24 list=spamfilter add address=208.70.88.0/24 list=spamfilter add address=208.70.89.0/24 list=spamfilter add address=208.70.90.0/24 list=spamfilter add address=208.70.91.0/24 list=spamfilter /ip firewall filter add action=drop chain=forward comment="Drop Outbound SMTP Except From Mail Server" dst-port=25 \ out-interface=ether1 protocol=tcp src-address=!192.168.51.8
networking/router/mikrotik_mail.1499376797.txt.gz · Last modified: 2017/07/06 15:33 by gcooper
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