To Authenticate An Email The Sending Mail Server And Receiving somalia email list 35881 contact leads Mail Server Talk To Each Other Doublechecking Protocols In The Dns For Confirmation Of The Senders Identitywhile Each Protocol Is Unique It Generally Works Like Thisthe Sender Domain Owner Establishes Rules For Authenticating Emails Sent From Or On Behalf Of Its Domainsthe Sender Configures Sending Email Servers And Publishes The Rules In The Dns Recordsmail Servers That Receive Emails Authenticate Messages From The Sender Using The Published Rules

Receiving Email Servers Then Follow The Published Rules And Either Deliver Quarantine Or Reject The Messagein Addition To Verifying Legitimate Senders Email Authentication Protocols Also Help Establish Ip Address And Domain Reputation So That Malicious Senders Can Be More Easily Identifiedthe Four Pillars Of Email Authenticationsimple Mail Transfer Protocol Smtp Is The Standard Foundation Upon Which Email Is Built Its Whats Used To Send And Receive Messages However Smtp Doesnt Include A Way To Validate A Senders Identity Which Is What Makes It Susceptible To Spammers And Phishing