I found the issue, had to edit /etc/php/8.3/cli/php.ini file, by adding/editing following lines :
[mail function]
; For Win32 only.
; https://php.net/smtp
#SMTP = localhost
SMTP = mysmtpserver.domain
; https://php.net/smtp-port
smtp_port = 25
username = myusername
password = mypassword
sendmail_from = [email protected]
Then a service nginx restart.
I still don’t understand why PHP is able to send mails through mail() function, but WordPress need the php.ini file to be configured…
Anyway, hope this helps !
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