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"552 5.2.0 Invalid 7-bit DATA" appears when sending messages

    • Updated:
    • 22 Oct 2015
    • Product/Version:
    • InterScan Messaging Security Suite 7.5 Windows
    • InterScan Messaging Security Virtual Appliance 8.2
    • InterScan Messaging Security Virtual Appliance 8.5
    • InterScan Messaging Security Virtual Appliance 9.0
    • ScanMail for Exchange 10.2
    • ScanMail for Exchange 11.0
    • ScanMail for IBM Domino 5.6 Linux
    • ScanMail for IBM Domino 5.6 Windows
    • ScanMail for Lotus Domino 5.5 Linux
    • ScanMail for Lotus Domino 5.5 Windows
    • Platform:
    • N/A N/A
Summary

The message bounced with the following error:

552 5.2.0 Invalid 7bit DATA (in reply to end of DATA command)

The following MIME is used:

MIME-Version: 1.0
Content-Type: multipart/mixed; boundary="MAIL_BOUNDARY"
Content-Transfer-Encoding: 7bit

Details
Public

To resolve the issue, contact your third-party mail editor to modify the "Content-Transfer-Encoding" parameter from:

Content-Type: multipart/mixed; boundary="MAIL_BOUNDARY"
Content-Transfer-Encoding: 7bit

to:

Content-Transfer-Encoding: binary

Premium
Internal
Rating:
Category:
Configure; Troubleshoot
Solution Id:
1102630
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