Contact Form 7 Says “Mail Failed”? Your Form May Not Be the Problem
A contact form can look perfectly fine to visitors and still fail at the most important step: delivering the message . A Stack Overflow question about Contact Form 7’s mail_failed error received thousands of views, with developers pointing toward server-side mail configuration as a common cause. A later answer also reported that configuring WordPress SMTP resolved the issue. The important distinction is that Contact Form 7 and email delivery are two different parts of the process . When someone submits a form, WordPress uses wp_mail() to hand the message to the configured mail system. If that mail system isn't properly configured, the form can return a mail_failed error even though the form itself is working. WordPress also notes that a successful wp_mail() call doesn't necessarily guarantee final delivery. So what should you check? Start with the From address . Using an email address from your website's own domain is generally safer than pretending to send from a v...