Alibaba Mail filtering rules for virus attachments

Alibaba Mail automatically blocks emails with certain executable file extensions to prevent malware delivery. Affected emails are discarded.

Alibaba Mail filters emails containing attachments with executable file extensions. When a match is found, the email is discarded.

Blocked file extensions

The following extensions are blocked because they can carry executable code or malicious payloads. This list is not exhaustive and is subject to change.

Send files with blocked extensions

To share a file with a blocked extension, upload it to a file-sharing service and send the recipient a download link instead of attaching the file directly.