@[smccarthy945]
I've back checked your settings with defaults in zpanel.
1. mynetworks will be locked down in sentora to 127.0.0.1 & server IP.
2. smtpd_sasl_security_options = noanonymous is already in sentora config/ zpanel too.
3. smtpd_client_restrictions = permit_mynetworks not so important as long you don't use:
smtpd_client_restrictions = permit_mynetworks, reject
This will allow any authentificated client to go thru.
4. reject_non_fqdn_recipient, <-- THESE SETTINGS WILL STOP ATTACKS ??
What attacks? This is not correct, this mainly will stop sending to emails like: postmaster directly without a domain name or root. It will not allow relay.
Notice already exist in zpanel/sentora.
5. RBL. Eplained not good to be used.
I always expected you explain a bit more what DDOS attack you got as you point here mainly postfix. Was this email abuse?
M B
I've back checked your settings with defaults in zpanel.
1. mynetworks will be locked down in sentora to 127.0.0.1 & server IP.
2. smtpd_sasl_security_options = noanonymous is already in sentora config/ zpanel too.
3. smtpd_client_restrictions = permit_mynetworks not so important as long you don't use:
smtpd_client_restrictions = permit_mynetworks, reject
This will allow any authentificated client to go thru.
4. reject_non_fqdn_recipient, <-- THESE SETTINGS WILL STOP ATTACKS ??
What attacks? This is not correct, this mainly will stop sending to emails like: postmaster directly without a domain name or root. It will not allow relay.
Notice already exist in zpanel/sentora.
5. RBL. Eplained not good to be used.
I always expected you explain a bit more what DDOS attack you got as you point here mainly postfix. Was this email abuse?
M B
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