[GWS] 552 5.7.0 message content and attachment content guidelines

Dear all,

If you see this error message "552 5.7.0 message content and attachment content guidelines.

h35-20020a632123000000b004785d99321asm8413836pgh.86 - gsmtp" when trying to upload or send a large attachment using ZIP.

Please make sure your subfolder does not contain multiple ZIP files as this will trigger Google Workspace security to see your ZIP as content presents a potential security issue. You may refer to more information at File types blocked in Gmail page.

Reminder Solutions:

• Please make sure your subfolder does not contain multiple ZIP files.
• Visit the Google Support page for File types blocked in Gmail page.

Other similar issues:

• 552-5.7.0 This message was blocked because its content presents a potential
• 552-5.7.0 security issue. 
• 552-5.7.0 File types blocked in Gmail
• 552 5.7.0 message content and attachment content guidelines. 5si14971345wrg.124 - gsmtp

regards,

JO & MESB Admin