Powerful Open Source Engine. Totally Free. Version 5. MailScanner is a highly respected open source email security system design for Linux-based email gateways. It is used at over 40, sites around the world, protecting top government departments, commercial corporations and educational institutions. You should be aware that senders of viruses may use this to try to conceal the actual filetype so that dangerous attachments get through a mail filtering system. If you want to configure MailScanner to stop blocking any files with this issue for all domains on the server, then do the following: 1.
Find the line that blocks double file extensions. Change the "deny" to allow", save the file, and restart MailScanner. Finally, if you want to allow this type of attachment for only some domains on the server but not all of them, then you will need to create a rules file as well as create a new filename configuration file.
ConfigServer Home Page. Home Login Register. There was a problem loading the comments. How do I allow through a particular kind of file attachment so it is not blocked by MailScanner?
Support Portal » Knowledgebase » Viewing Article. First you need to find out why the attachment was blocked. The reason will be given either in the blocked attachment message or in the MailWatch report.
If you have the blocked attachment message often sent to the original sender of the attachment , look for the text following "Report:".
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