XenForo Bounce connection error: cannot login, user or password wrong

[PJK]

I've noticed I'm getting this same error for the last 45 days randomly starting beginning of June. I've used SMTP with AWS SES for years without issue. How do I troubleshoot this? Here is the full error:

• Laminas\Mail\Exception\RuntimeException: Bounce connection error: cannot login, user or password wrong
• src/XF/Mail/Storage/Imap.php:32
• Generated by: Unknown account
• Jul 29, 2022 at 7:53 PM

Stack trace​

#0 src/XF/EmailBounce/Processor.php(256)...

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