Google's code predates all of these auto mechanisms and just has never been
updated (unless someone finally got to it in the last couple years).
It basically caches successful attempts to configure for specific email
domains across the entire user base, but doesnt expire entries... and it
keeps se
Somewhat related: we had a similar problem with Gmail's "send mail as"
autoconfig for our SMTP MSA. The wrong info wasn't coming from our SRV
records, our autoconfig service, our autodiscover service, and it wasn't using
mail. or any other well-known.
IIRC Google front-line support claimed t
