Yeah, sorry I obfuscated the email address with permissions. Each permissions had the same user. I removed all except Full permission users
but no change.
I'm seeing this in logs:
==> /var/log/php-fpm.log <==
[11-Feb-2024 07:39:04] WARNING: [pool grommunio-web-pool] child 19630 said into stderr: "NOTICE: PHP message: Unable to submit message for REDACTED@REDACTED, MAPI error: MAPI_E_NO_ACCESS. SMTP server may be down or it refused the message or the message is too large to submit or user does not have the permission ..."
==> /var/log/nginx/nginx-web-error.log <==
2024/02/11 07:44:36 [error] 7198#7198: *1166 FastCGI sent in stderr: "PHP message: Unable to submit message for REDACTED@REDACTED, MAPI error: MAPI_E_NO_ACCESS. SMTP server may be down or it refused the message or the message is too large to submit or user does not have the permission" while reading response header from upstream, client: REDACTED, server: _, request: "POST /web/grommunio.php?subsystem=webapp_1707626762548 HTTP/2.0", upstream: "fastcgi://unix:/run/php-fpm/php-grommunio-web-fpm.sock:", host: "REDACTED"