I’ve seen this when the domain on the other end has a different internal domain name than their external name. Sounds like the cert is assigned to the internal domain.
Phil From: phil levine [mailto:plevin...@yahoo.com] Sent: Tuesday, November 09, 2010 12:58 PM To: MS-Exchange Admin Issues Subject: RE: TLS Issue on Exchange 2010 I also get this error in the application log: Authentication of the connection to secure domain failed because the Transport Layer Security (TLS) server certificate didn't contain the name of that domain. Either contact the administrator for domain to resolve the problem with their certificate or remove the domain from the domain-secured list. i did turn on verbose logging also. waiting on some new data. --- On Tue, 11/9/10, Michael B. Smith <mich...@smithcons.com> wrote: From: Michael B. Smith <mich...@smithcons.com> Subject: RE: TLS Issue on Exchange 2010 To: "MS-Exchange Admin Issues" <exchangelist@lyris.sunbelt-software.com> Date: Tuesday, November 9, 2010, 3:41 PM I would look at the verbose protocol log, but it sounds like you can’t trace the remote certificate back to its root. Regards, Michael B. Smith Consultant and Exchange MVP http://TheEssentialExchange.com From: phil levine [mailto:plevin...@yahoo.com] Sent: Tuesday, November 09, 2010 3:22 PM To: MS-Exchange Admin Issues Subject: TLS Issue on Exchange 2010 I'm having some trouble getting TLS mail to flow out of my domain. I set up the connector and am getting the following error in the queue: 451 4.4.0 Primary target IPaddress responded with : "454 4.7.5 certificate validation failure, attempter failover to alternate host, but that did not succeed. Either there are no alternate hosts, or delivery failed to all alternate hosts" what am i doing wrong? --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com <http://us.mc365.mail.yahoo.com/mc/compose?to=listmana...@lyris.sunbeltsoftware.com> with the body: unsubscribe exchangelist --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com <http://us.mc365.mail.yahoo.com/mc/compose?to=listmana...@lyris.sunbeltsoftware.com> with the body: unsubscribe exchangelist --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe exchangelist --- To manage subscriptions click here: http://lyris.sunbelt-software.com/read/my_forums/ or send an email to listmana...@lyris.sunbeltsoftware.com with the body: unsubscribe exchangelist