Finally resolved this, by switching to use SMTP (with SSLTLS, of course).
IONOS will get back to me with explanation of why they have effectively stopped allowing PHPMail.
Many thanks to all of you for your help.
IONOS will get back to me with explanation of why they have effectively stopped allowing PHPMail.
Many thanks to all of you for your help.
Statistics: Posted by mollcons — Thu Apr 25, 2024 9:18 am