[UA-EAI] [UA-Coordination] Draft Results: EAI Readiness

[John Levine]

> O365 allows “bring your own domain name”.  Most of these are .COM, but I know we have multiple .REALTOR so any TLD could be represented.
>
> Or have you already made that distinction based on SMTP responses?

It's the servers that say outlook.com in the SMTP banner, like this.  Are any of those not O365?

I'm reasonably sure that every outlook.com actually had a banner like this, in mail.protection.outlook.com:

mta sig is b'QB1CAN01FT008.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Wed, 14 Nov 2018 19:22:38 +0000'
mta sig is b'SN1NAM01FT050.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Wed, 14 Nov 2018 19:22:37 +0000'
mta sig is b'SN1NAM02FT026.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Wed, 14 Nov 2018 19:22:38 +0000'
mta sig is b'DM3NAM03FT048.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Wed, 14 Nov 2018 19:22:37 +0000'
mta sig is b'SN1NAM04FT033.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Wed, 14 Nov 2018 19:22:37 +0000'
mta sig is b'CY1NAM02FT056.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Wed, 14 Nov 2018 19:22:38 +0000'
mta sig is b'BY2NAM01FT058.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Wed, 14 Nov 2018 19:22:38 +0000'
mta sig is b'BY2NAM03FT023.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Wed, 14 Nov 2018 19:22:37 +0000'
mta sig is b'CO1NAM03FT040.mail.protection.outlook.com Microsoft ESMTP MAIL Service ready at Wed, 14 Nov 2018 19:22:38 +0000'

Regards,
John Levine, john.levine at standcore.com
Standcore LLC