Classifier Bypass Based On Message Sender Trust and Verification

A system, comprising:

• a processor configured to:
• receive an email message;
• determine a sender of the email message;
• determine whether the sender of the email message is trusted, wherein determining whether the sender of the email message is trusted includes determining whether the sender of the email message is associated with a whitelist;
• retrieve domain-related information by performing a DNS query on a domain associated with the sender;
• based at least in part on the domain-related information, determine whether the sender of the email message is verified;
• determine whether the sender is both trusted and verified;
• and
• when it is determined that the sender is both trusted and verified, treat the email message as trustworthy, wherein treating the email message as trustworthy includes bypassing a classifier;
• and
• a memory coupled with the processor, wherein the memory provides instructions to the processor.

A computer program product, embodied in a non-transitory computer readable medium and comprising computer instructions for:

• receiving an email message;
• determining a sender of the email message;
• determining whether the sender of the email message is trusted, wherein determining whether the sender of the email message is trusted includes determining whether the sender of the email message is associated with a whitelist;
• retrieving domain-related information by performing a DNS query on a domain associated with the sender;
• based at least in part on the domain-related information, determining whether the sender of the email message is verified;
• determining whether the sender is both trusted and verified;
• and
• when it is determined that the sender is both trusted and verified, treating the email message as trustworthy, wherein treating the email message as trustworthy includes bypassing a classifier.