552 5.3.4 Message size exceeds fixed maximum message size - sending large files to exchange 2010 mailboxes
![Can't Receive email, error: 552 5.3.4 Message size exceeds fixed limit - aaPanel - Hosting control panel. One-click LAMP/LEMP. Can't Receive email, error: 552 5.3.4 Message size exceeds fixed limit - aaPanel - Hosting control panel. One-click LAMP/LEMP.](https://forum.aapanel.com/assets/files/2019-11-07/1573089570-504522-tmp.jpeg)
Can't Receive email, error: 552 5.3.4 Message size exceeds fixed limit - aaPanel - Hosting control panel. One-click LAMP/LEMP.
![Creating Support Request causes Message size exceeds fixed maximum message size | Confluence | Atlassian Documentation Creating Support Request causes Message size exceeds fixed maximum message size | Confluence | Atlassian Documentation](https://confluence.atlassian.com/confkb/files/719096297/719096313/1/1425591025909/Screen+Shot+2015-03-05+at+3.25.33+PM.png)
Creating Support Request causes Message size exceeds fixed maximum message size | Confluence | Atlassian Documentation
![Incoming E-Mails with Attachments Failed - "Message size exceeds fixed maximum message size" - SharePoint Diary Incoming E-Mails with Attachments Failed - "Message size exceeds fixed maximum message size" - SharePoint Diary](https://www.sharepointdiary.com/wp-content/uploads/2012/01/smtp-server.jpg)