How to remove all attachments in Linux-Postfix before deliver to each mailbox?


I need your experts advise to achieve the followings:

OS: CentOS 5.x
Postfix: postfix-2.3.3-2.1.el5_2

Need to remove all the mail attachments before deliver into each mailbox. In other words users should not receive any attachments but mail contents should reach them. Mails which has attachments should not bounce back.

How we can do this?

Jayachandran PalanisamyTechnical Consultant - LinuxAsked:
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You would need to use a filter maildrop, postfix to properly process the stripping out of attachments.

Presumably you would allow in a mixed attachment, text/html text/plain attachments to be included but others zip, exe, etc. not.

Your best bet to avoid corrupting the message when an attachment is detected, store it into a separate set, and generate a notification to the user that an email with an attachment was sent their way.

Why not place a restriction on the sender i.e. notify sender that attachments are not accepted?

What are your programming/scripting skills like?
familiar with perl? MIME handler
Take any message with attachments and look at the raw message source.
Look at  You will see within the header portion indication that an attachment is included. you would then see a "separator" identified that starts/ends each attached item with its own content-type, filename....

Some mail clients always include an attachment i.e. when they send email with HTML/PLAIN text versions

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