Has anyone experienced any issue with incoming email from Outlook/Hotmail? Using my personal free hotmail account, I send a few emails to my mailcow server. I have received nothing in my mailcow server and there is no logs showing up in rspamd. All other email service including paid Microsoft O365 sends fine to me. Any idea on how I can troubleshoot? I also did not receive any bounce email in my hotmail account.
EnglishIncoming Email issue
- Edited
- Best Answerset by dnwk
Finally get bounce mail from outlook.
Any idea what does it mean?
'450 4.7.323 tlsa-invalid: The domain failed DANE validation [Message=450 4.7.323 tlsa-invalid: The domain failed DANE validation]'
This error message seems to be returned by mailcow server to Microsoft server.
8/12/2024 1:20:36 AM - Server at BL1PR22MB3681.namprd22.prod.outlook.com returned '550 5.7.323 tlsa-invalid: The domain failed DANE validation(450 4.7.323 tlsa-invalid: The domain failed DANE validation)'
8/12/2024 1:10:35 AM - Server at xxx.com (my mail server ip) returned '450 4.7.323 tlsa-invalid: The domain failed DANE validation [Message=450 4.7.323 tlsa-invalid: The domain failed DANE validation] [LastAttemptedServerName=xxx.com] [LastAttemptedIP=my mail server ip:25] [SmtpSecurity=11;-1] [BN8NAM11FT043.eop-nam11.prod.protection.outlook.com 2024-08-12T01:10:35.996Z 08DCBA2CA7E2C673](450 4.7.323 tlsa-invalid: The domain failed DANE validation)'Ok. Problem solved. Cloudflare for some reason added TLSA to my DNS. I don’t know how that DNS record got added. After deleting the DNS record. Email start flowing. So how do I properly seteup TLSA for Mailcow?
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Just have a look at the DNS button next to your domains in the mailcow UI
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