Not sending any mails.

Replies: 0

Can you please let me know what is wrong there. My website can not send any mail.

Versions:
WordPress: 5.9.3
WordPress MS: No
PHP: 8.0.16
WP Mail SMTP: 3.3.0

Params:
Mailer: mail
Constants: No

Server:
PHP.mail(): Yes

PHPMailer Debug:
Could not instantiate mail function.

Debug:
Email Source: WP Mail SMTP
Mailer: Default (none)
PHPMailer was able to connect to SMTP server but failed while trying to send an email.