Critical emails not being sent - Test send works fine.

[Paul5]

I'm not getting critical emails or any emails really?. All test emails for the system work as also the one in the screenshot 'Send Test Alert' works but I don't get the actual critical emails.

TrueNAS-13.0-U5.1

Maillog:
Nov 30 00:00:00 truenas newsyslog[6122]: logfile turned over
Nov 30 00:21:25 truenas 1 2023-11-30T00:21:25.184098+08:00 truenas.local middlewared 358 - - sending mail to <REMOVED FOR PRIVACY>
Content-Type: multipart/mixed
MIME-Version: 1.0
Subject: TrueNAS truenas.local: Alerts
From: NAS <REMOVED FOR PRIVACY>
To: <REMOVED FOR PRIVACY>
Date: Wed, 29 Nov 2023 16:21:22 -0000
Message-ID: <truenas-20231129.162122.801528.b'YvzI'@truenas.local>
Nov 30 10:18:28 truenas 1 2023-11-30T10:18:28.994242+08:00 truenas.local middlewared 357 - - sending mail to <REMOVED FOR PRIVACY>
Content-Type: multipart/mixed
MIME-Version: 1.0
Subject: TrueNAS truenas.local: Alerts
From: NAS <REMOVED FOR PRIVACY>
To: <REMOVED FOR PRIVACY>
Date: Thu, 30 Nov 2023 02:18:28 -0000
Message-ID: <truenas-20231130.021828.066984.b'u59r'@truenas.local>
Nov 30 10:18:28 truenas 1 2023-11-30T10:18:28.994742+08:00 truenas.local middlewared 357 - - sending mail to <REMOVED FOR PRIVACY>
Content-Type: multipart/mixed
MIME-Version: 1.0
Subject: TrueNAS truenas.local: Alerts
From: NAS <REMOVED FOR PRIVACY>
To: <REMOVED FOR PRIVACY>
Date: Thu, 30 Nov 2023 02:18:28 -0000
Message-ID: <truenas-20231130.021828.069155.b'xXJ9'@truenas.local>