Knowledgebase
Attachment Types Blocked by Default

Attachment Types Blocked by Default:

Proofpoint Essentials outright blocks certain attachment types and these emails will not be delivered to the end user's mailbox through our spam and virus filtering 

Which Attachment Types will be Blocked by Default?:

All attachments that are executable file types or contain executable's will be blocked. Please see an extended list of default blocked attachment type

-.exe

-.dll

-.bat

-.vb

-.js

Please note Proofpoint reserves the right tho block attachment types not listed above in instances of threat detection and mailflow trends. 

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