[Plugin: Postie] Adding case insensitive filetype support

When using postie and sending emails with video from iPhone, the video file gets attached to the post as an attachment altough I specified “MOV” in video file settings.

The iPhone mails video attachment in capital letters (e.g. “VIDEO_1.MOV”) and this doesn’t seem to match “VIDEO_1.mov” according to postie behaviour.

I modified postie-functions.php and will let you know if and how I got it working.