552 Message Size Exceeds Maximum Permitted

Sample Error:

From: Mail Delivery System
Sent: Sender
To: Recipient
Subject: Mail delivery failed: returning message to sender

This message was created automatically by mail delivery software.

A message that you sent could not be delivered to one or more of its
recipients. This is a permanent error. The following address(es) failed:

test@YourDomain.com
SMTP error from remote mail server after MAIL FROM:<YourDomain.com> SIZE=5869706:
host mail.YourDomain.com [192.168.0.100]: 552 Message size exceeds maximum permitted

If you received bounced back email or MailDelivery Failed email, please look at the bounced back error: 552 Messagesize exceeds maximum permitted

We allow maximum of 50MB per email message, if the size of email you sent or someone sent you is larger than 50MB, the email will be rejected by our Mail Server and bounced back to the original sender with error message similar as above.

Solutions:
- Zipped the attachments to reduce the attachment size.
- Break the attachment into several emails with maximum 50MB per email.

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