Re: [cisco-voip] SMTP on CM?
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-v...@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 Vollwrote: > >> 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 >> >> ___ >> cisco-voip mailing list >> cisco-voip@puck.nether.net >> https://puck.nether.net/mailman/listinfo/cisco-voip >> > ___ cisco-voip mailing list cisco-voip@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-voip
Re: [cisco-voip] SMTP on CM?
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 Vollwrote: > 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 > > ___ > cisco-voip mailing list > cisco-voip@puck.nether.net > https://puck.nether.net/mailman/listinfo/cisco-voip > ___ cisco-voip mailing list cisco-voip@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-voip
[cisco-voip] SMTP on CM?
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 ___ cisco-voip mailing list cisco-voip@puck.nether.net https://puck.nether.net/mailman/listinfo/cisco-voip