Lamp - PHP mailer not working after last lamp and mail apps update

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Sorry, openssl isn’t installed by default. It was a testing machine where I installed openssl manually some time ago…

So to test if it works from inside the container you could install openssl with following commands: (After restarting webserver, openssl isn’t installed anymore, it’s not persistent)

runagent -m webserver1 podman exec php7.4-fpm apt update
runagent -m webserver1 podman exec php7.4-fpm apt install openssl -y

Now following test should show if you can connect to the hosts mailserver:

EDIT:

I was able to send a mail with phpmailer by using 10.5.4.1 (wireguard IP) as mail server and adding the following to the script as recommended here.

$mail->SMTPOptions = array(
'ssl' => array(
'verify_peer'       => false,
'verify_peer_name'  => false,
'allow_self_signed' => true
)
);