This on a 2010 MacBook running High Sierra, a 2015 MBA running Monterey, a couple of iPad 6s running17.0.2 and a iPhone 14 Pro also on 17.0.2.
I have a web hosting account with Host Gator on which I have set up two different e-mail accounts with different domains. I use one email account and my wife uses another. This has been working fine for years. But, just this morning none of the Mail apps on any of the above named devices can get mail from or send mail via either of the Host Gator email accounts. Looking at Connection Doctor indicates a TLS authentication error. Other mail accounts (iCloud, Gmail, Yahoo, etc.) are not affected.
We are currently at our condo which supplies us with a double-NATed Internection connection which normally works fine. We are using a TP-Link Deco X20…
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