[cisco-voip] SMTP on CM?

[Scott Voll]

That is the reason for my question.... Anyone know for sure?

Scott
PS>  version 11.5.

On Fri, Apr 28, 2017 at 1:05 PM, Anthony Holloway <
avholloway+cisco-voip at gmail.com> wrote:

> Are you talking about DNS TTL?  Defects or poor programming might reveal
> that it's only resolved at service start (like NTP references on IOS), or
> possible never cached and DNS is hit for every connection (like SIP trunks
> with DNS names in CUCM).
>
> On Fri, Apr 28, 2017 at 1:05 PM Scott Voll <svoll.voip at gmail.com> wrote:
>
>> How often does CM query smtp DNS name?  we are changing our Cname for
>> SMTP and would like to know how long I should expect for the emails to
>> change.
>>
>> Thanks
>>
>> Scott
>>
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>>
>
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