Contact form not sending
Why a contact form does not send or messages do not arrive and how to fix SMTP, SPF and check spam.
A form may "send" a message that never arrives. The cause is often the way of sending or the recipient's mailbox.
Symptoms#
The form reports an error, shows a confirmation without the message arriving, or messages end up in spam.
Causes#
- sending via PHP
mail()from an address not on your domain (e.g.gmail.comas the sender), which recipients reject or mark as spam, - the recipient is misspelled or the mailbox is full (Disk space exceeded),
- missing SPF/DKIM records (SPF, DKIM and DMARC),
- a message limit or a sending block due to suspicious content,
- the form plugin is not configured or spam protection (reCAPTCHA) is set up incorrectly.
Fix#
- Check the recipient's spam folder and filters.
- Set the form's sender to an address on your domain (e.g.
form@yourdomain.com) and leave the recipient as the real address. Put the visitor's address in the Reply-To field. - Use SMTP instead of
mail(): in an SMTP plugin (e.g. for WordPress) enter the details from Access details: servermail.yourdomain.com, port 465, SSL/TLS, the full email address and its password. - Check SPF and DKIM in cPanel (Email Deliverability).
- Look at the logs for errors (PHP errors and logs).
- Test by sending to another address (e.g. at another provider).
Ticket#
Open a ticket with the domain, the sender and recipient addresses from the form, the approximate test time and the error message if one is shown.
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