How to allow/block SMTP traffic for SolusIO VPS?
SVM_WARN: Network rules are applied to all SolusIO VPS.
Log in to SolusIO administrator interface.
Open SolusIO > Settings > Network Rules.
Check option Disable SMTP traffic if it is required to block SMTP traffic, or uncheck the option if it is required to allow the traffic.
Click on Save.Network rules for SMTP traffic