So I'm working on migrating a customer over to comcast's Hosted Exchange platform. Doing some final testing before taking them live, I naturally try some telnet SMTP magic to verify correct mail flow before making the DNS changes. In my haste, I send command out of order. I've never been scolded by a mail server before, I'm not sure what to think ...
220 imta03.potomac.co.businessclass.comcast.net bizsmtp ESMTP server ready
mail from: **Sending Email Addy**
503 5.5.0 polite people say HELO first
helo test
250 imta03.potomac.co.businessclass.comcast.net hello [Originating IP], pleased
to meet you
mail from: **Sending Email Addy**
250 2.1.0 <**Sending Email Addy**> sender ok
rcpt to: **Customer Email Addy**
250 2.1.5 <**Customer Email Addy**> recipient ok
220 imta03.potomac.co.businessclass.comcast.net bizsmtp ESMTP server ready
mail from: **Sending Email Addy**
503 5.5.0 polite people say HELO first
helo test
250 imta03.potomac.co.businessclass.comcast.net hello [Originating IP], pleased
to meet you
mail from: **Sending Email Addy**
250 2.1.0 <**Sending Email Addy**> sender ok
rcpt to: **Customer Email Addy**
250 2.1.5 <**Customer Email Addy**> recipient ok