Contact Form 7
Error: 412 Precondition Failed (2 posts)

  1. Casey Picker
    Posted 5 years ago #

    I get an Error 412 when trying to save my contact form. The issue is with the additional headers I'm trying to add to the e-mail:

    Cc: sample1@example.com; sample2@example.com
    Bcc: sample3@example.com

    When I only have one header, like this:

    Cc: sample1@example.com; sample2@example.com

    then the form saves fine. Any idea why this might be?

  2. Takayuki Miyoshi
    Plugin Author

    Posted 5 years ago #

    Textpattern's FAQ says:

    These and similar errors are usually caused by mod_security filtering. Some hosting companies use mod_security or other similar filters to block web form submissions containing certain key words or suspicious symbols, in order to prevent comment spam or hack attempts. Occasionally these security rules can block legitimate requests.

    Textpattern never sends a 412 response.

    You should raise a technical support ticket with your hosting company. There is nothing Textpattern can do to fix the problem.


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