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Microsoft Email Delivery Compliance
Solve Email Delivery Problems
Provide an Email Message
Paste Email Headers
Pick EML File
Email headers are metadata fields at the beginning of an email message that contain important information such as the sender, recipient, subject, date, and routing details used for email delivery and authentication.
An EML file is an email message saved in the MIME RFC 822 format, containing the email's content, attachments, and metadata, commonly used for archiving or transferring emails between different email clients.
EML File: