FAQ: What are ACD email message and attachment size limits?


The maximum outgoing message size, including attachments: 10 MB per message (after base64 encoding).

  • Messages exceeding 10 MB, including attachments, will bounce back to the sender. Messages larger than 10 MB that you try to send from PureCloud will yield an error. You can work around this limitation by including links to larger documents stored in PureCloud Documents. For more information about sharing a file within Documents, see About Documents and Share a file.
  • Amazon SES accepts most attachment types. For a list of exclusions, see Amazon SES Developer Guide Appendix: Unsupported attachment types.

The maximum incoming message size, including attachments: 30 MB per message (after base64 encoding).