Journal Chacham's Journal: Verbiage: Customized email addresses problems (3) 1
Working after my last JE on this topic, i changed the relevant CNAMEs to A Records, and now it works. To me, this is clearly a bug in Exchange of which Microsoft is hiding behind self-righteous denial.
I Prefer (Score:1)
CNAMEs across the board, generally.
They allow for quick transition/failover times, because they don't have long cache or TTL latencies for propegation. They are a great abstraction of the naming system, that allow for all kinds of monkeying with your name space.
That said, I usually have them fail as MX in various hosted DNS providers. These usually let you update your zone through a web mechanism, and they will 'lint' the zone information for validity, and reject things that don't parse according to the r