salad2

Hi,

The problem came from the host firewall.
By opening TCP port 587 to mail.gandi.net (output), the problem was solded.
Thank you for your help.

Hi,
Infomaniak.ch for the website
gandi.net for DNS and mail

Thank you for your help

Using WP Mail Bank connectivity test :

SMTP smtp.gmail.com:25 Open
SMTP smtp.gmail.com:587 Open
SMTP smtp.gmail.com:465 Open
SMTP smtp.gmail.com:2525 Close
SMTP smtp.gmail.com:4065 Close
SMTP smtp.gmail.com:25025 Close

SMTP mail.gandi.net:25 Close
SMTP mail.gandi.net:587 Close
SMTP mail.gandi.net:465 Close
SMTP mail.gandi.net:2525 Close
SMTP mail.gandi.net:4065 Close
SMTP mail.gandi.net:25025 Close

If I test using phpmailer, mail is sent.

Where to search : web host ? email hosting ? wordpress ?

Thanks for your help

Thank you for your answer.
No I didn’t check with the parent theme developer because the issue came before I installed a child them.