SmarterMail can be configured to reduce incoming and outgoing spam emails by up to 90–95%. Following are some of the recommendations to prevent Incoming and Outgoing spam emails:
Enable SmarterMail Greylisting Feature
Greylisting is a feature which SmarterMail supports to protect email users from receiving spam.
The sender, receiver, and sending server IP addresses are noted when an email is received from a sender who has not been whitelisted or who was previously unknown using this Greylisting method. After this, Greylisting will then reject the message.
Login to smatermail interface as a primary domain and follow the below steps :
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