one of the domains is animikisee.ca but I can send to it from gmail no problem. Test the email address s...@animikisee.ca
On Tue, Oct 7, 2014 at 3:06 PM, Kennedy, Jim <kennedy...@elyriaschools.org> wrote: > Toss us a domain so we can try from ours. Go off list if need be. > > > > *From:* listsad...@lists.myitforum.com [mailto: > listsad...@lists.myitforum.com] *On Behalf Of *Steve Ens > *Sent:* Tuesday, October 7, 2014 4:02 PM > *To:* exchange@lists.myitforum.com > *Subject:* Re: [Exchange] 421 4.2.1 Unable to connect errors > > > > Yes, already tried that. I can do a MX lookup, but cannot telnet to the > server. Also getting this in the logs Error Code: 10061, Error Message: > No connection could be made because the target machine actively refused it > > That seems to point to us being blacklisted, but I come up clean on the > mxtoolbox tests. > > > > On Tue, Oct 7, 2014 at 2:48 PM, Kennedy, Jim <kennedy...@elyriaschools.org> > wrote: > > What are the domains? Could be bad bounces from spam to non-existent > domains Your server can not contact them, so it tried alternates either in > dns or per the RFC’s (for example A record of domain.com) and that > failed. So it is still trying. > > > > Do an MX lookup from your transport server to verify your DNS is working. > Then try telnet port 25 from the transport server to that IP to verify > connectivity. What do you get? > > > > *From:* listsad...@lists.myitforum.com [mailto: > listsad...@lists.myitforum.com] *On Behalf Of *Steve Ens > *Sent:* Tuesday, October 7, 2014 3:42 PM > *To:* exchange@lists.myitforum.com > *Subject:* [Exchange] 421 4.2.1 Unable to connect errors > > > > Odd errors in my mail queue. Just started appearing yesterday. Most mail > gets sent, but from certain domains I get these errors. "Attempted > failover to alternate host, but that did not suceed." Anyone see this > before? Exchange 2010 on Windows 2008 R2. > > >
