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What is the Size Limits of Messages?

The combined size of a message (received or sent) and all attachments must be less than 50 MB for nsMail™ Pro mailboxes, and less than 20 MB for all other mailboxes.

NOTE: To send attachments via e-mail, messages must be "Base64" encoded to be accepted by the receiving mail system. The encoding process adds approximately 33% to the total size of the message. For example, a 14 MB message (text and attachments) will total approximately 18 MB once it is encoded for transmission. Some types of attachments are encoded less efficiently, therefore your results will vary. Generally, a message of 14 MB or less should pass through with no problems, provided that the message does not cause your mailbox to exceed the total quota maximum.


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