Mime Type Check for Contact Form 7

Mime Type Check for Contact Form 7 plugin is created after a problem arises in CF7 file upload validation, CF7 is a widely used plugin but there was a problem in validation of file mime type. The CF7 validation was only validating the file on the extension

• File type changes by renaming it to allowed types in operating system as shown in screenshot
• Uploaded using CF7 upload and it was uploaded susscessfully.
• Installed the plugin and now file is validating on mime type. Renamed allwoed extensions are not catered.