New to BIND and just starting to read the 5th edition from O'Reilly after
watching some videos online while it made its way to me. I am trying to
understand why the view statement appears to be included by default in most
Linux distributions if best practice says you should have separate servers
Hi Bruce,
It would be better to have an SMTP server return 421 "4.3.0" or 421 "4.7.0"
while the migration is under way instead of bouncing the connection. 421 will
tell all SMTP servers everywhere to "try again later". The 421 error is a
proven greylisting configuration.
Not knowing what is
Hi Bruce,
This is something I'm presently battling with as well. My current previously
tested plan is:
1. Create all user accounts (with NEW email addresses) on the new email system
2. Setup a temporary forwarder on an existing *temporary* email server (we use
hMail) which forwards all email
We’re making an O365 tenant switchover for our domain (a subdomain of the
arizona.edu domain) and moving from our Barracuda cloud email SMTP to the
University’s tenant, but email cannot flow until the Arizona.edu O365 tenant
can take over our email domain.
In anticipation I set our TTL for MX
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