Exim Sender Verification Failing

[sahsanu]

Hi @purdofolte

Take a look to this similar post:

Issues getting emails from Microsoft

Hi @luisedofon The message is clear, the domain messaging.microsoft.com has an MX record defined: $ dig messaging.microsoft.com mx +noall +ans messaging.microsoft.com. 2636 IN MX 10 messaging-microsoft-com.mail.protection.outlook.com. But host messaging-microsoft-com.mail.protection.outlook.com doesn’t resolve to an IP. $ dig messaging-microsoft-com.mail.protection.outlook.com a +noall +ans $ dig messaging-microsoft-com.mail.protection.outlook.com aaaa +noall +ans And obviously…