http://www.msexchange.org -------------------------------------------------------Hello, You should take a look at the internal and external DNS lookup settings to make sure they don't point to a DNS server that is providing a negative response for some reason. A telnet session wouldn't show this error. Bill -----Original Message----- From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of James Chong Sent: Thursday, January 17, 2008 8:39 AM To: ExchangeList Subject: [ExchangeList] Re: send connector issue http://www.msexchange.org -------------------------------------------------------Does running the mail flow troubleshooter give any more details? Is this a new connector or an existing one that broke? James Chong Sr. Systems Engineer Simplexity, LLC. 11130 Sunrise Valley Drive, Suite 300 Reston, VA 20191 O (703) 657-4612 C (703) 863-1483 -----Original Message----- From: exchangelist-bounce@xxxxxxxxxxxxx [mailto:exchangelist-bounce@xxxxxxxxxxxxx] On Behalf Of Tom Kern Sent: Thursday, January 17, 2008 12:42 AM To: ExchangeList Subject: [ExchangeList] send connector issue http://www.msexchange.org -------------------------------------------------------Using a exchange 2k7sp1 Send connector to forward email to a smarthost. i have entered the FQDN of the smarthost in the connector. when i send email i get a "451 4.4.0 DNS query failed" in the queue but I can telnet on port 25 from the hub transport to that smarthost using the fqdn and nslookup from the HT resolves correctly as well. No auth is being used. any ideas? thanks guys ------------------------------------------------------- List Archives: //www.freelists.org/archives/exchangelist/ MSExchange Newsletter: http://www.msexchange.org/pages/newsletter.asp MSExchange Articles and Tutorials: http://www.msexchange.org/articles_tutorials/ MSExchange Blogs: http://blogs.msexchange.org/ ------------------------------------------------------- Visit TechGenix.com for more information about our other sites: http://www.techgenix.com ------------------------------------------------------- To unsubscribe visit http://www.msexchange.org/pages/exchangelist.asp Report abuse to listadmin@xxxxxxxxxxxxxx ------------------------------------------------------- List Archives: //www.freelists.org/archives/exchangelist/ MSExchange Newsletter: http://www.msexchange.org/pages/newsletter.asp MSExchange Articles and Tutorials: http://www.msexchange.org/articles_tutorials/ MSExchange Blogs: http://blogs.msexchange.org/ ------------------------------------------------------- Visit TechGenix.com for more information about our other sites: http://www.techgenix.com ------------------------------------------------------- To unsubscribe visit http://www.msexchange.org/pages/exchangelist.asp Report abuse to listadmin@xxxxxxxxxxxxxx ------------------------------------------------------- List Archives: //www.freelists.org/archives/exchangelist/ MSExchange Newsletter: http://www.msexchange.org/pages/newsletter.asp MSExchange Articles and Tutorials: http://www.msexchange.org/articles_tutorials/ MSExchange Blogs: http://blogs.msexchange.org/ ------------------------------------------------------- Visit TechGenix.com for more information about our other sites: http://www.techgenix.com ------------------------------------------------------- To unsubscribe visit http://www.msexchange.org/pages/exchangelist.asp Report abuse to listadmin@xxxxxxxxxxxxxx
