[Mimedefang] ADMINISTRIVIA: Colocated server downtime

David F. Skoll dfs at roaringpenguin.com
Mon Apr 26 16:33:30 EDT 2004


On Mon, 26 Apr 2004, Kenneth Porter wrote:

> Good luck with it! I see the forward DNS entries have a TTL of 3600, so
> some might not see the domain until as late as 1 pm, or 1 hour after
> whenever you cut over the DNS.

I will be changing the TTL to 300 the night before. :-) Unless your
DNS server clamps the minimum TTL above 5 minutes, the DNS switcheroo
should be fairly painless.

Regards,

David.



More information about the MIMEDefang mailing list