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http://www.zerohoursleep.com/2010/02/allow-relaying-on-exchange-2007-exchange-2010-in-4-easy-steps/ 0 Message Assisted Solution by:Caxxiux2010-10-27 Much better link with GUI configuration: http://exchangeserverpro.com/how-to-configure-a-relay-connector-for-exchange-server-2010 0 Write Comment First Name Please enter a first name Last Name Please enter a last name I've seen this before where the sending mail server is behind an improperly configured firewall - specifically one configured to drop packets to / from bogons. We respect your email privacy Popular Resources Latest Articles Exchange Server 2016 Migration - Reviewing SSL Certificates Using Transport Rules to Block Outbound Email to Untrustworthy Domains Microsoft Working on Solutions How To Allow Relaying in Exchange 2010 and Exchange 2007:: http://exchangepedia.com/2007/01/exchange-server-2007-how-to-allow-relaying.html Anil Friday, April 01, 2011 3:25 AM Reply | Quote Microsoft is conducting an online survey to understand your opinion have a peek here

Browse other questions tagged exchange smtp authentication or ask your own question. What would happen if I created an account called 'root'? I'm sure I am missing some essential setting, but couldn't find anything in log files. When you do, you receive a "550 5.1.1 User unknown" error . https://support.microsoft.com/en-us/kb/2773786

Exchange 2010 Error 550 5.7.1 Unable To Relay

Reply Paul Cunningham says April 20, 2014 at 11:56 pm Does the sender get an NDR? Reply Shimon Adimor says September 30, 2015 at 3:43 am Looks like mycompany.com mx record is still pointing to the previous hosting… So for now I will have to see how Reply Ahmad says January 2, 2015 at 10:46 pm Evening Paul, I have Exchange 2013 and it is not generating NDRs when email is sent to some Dummy email address e.g CodeTwo Exchange Migration Dell Migrator for GroupWise LepideMigrator for Exchange Metalogix Archive Migrator Mimecast Migration NETsec GALsync Netmail Migrator Priasoft Migration Suite for Exchange Stellar GroupWise to Exchange Migrator Other (please

This setting is configured in the AddressBookEnabled attribute of an Accepted Domain. [PS] C:\>Get-AcceptedDomain | select name,domaintype,addressbookenabled Name DomainType AddressBookEnabled ---- ---------- ------------------ companya.com Authoritative True companyb.com InternalRelay False However, if what's the best practice for creating mailboxes ? All rights reserved. Exchange Error 500 server response was: 5.7.1 UNABLE TO RELAY on Edge Server 20100exchange 2010 server error 550 5.7.1 unable to relay1Exchange 2010 unable to send to external email address using a receive connecter1SMTP

Does Zootopia have an intentional Breaking Bad reference? Exchange 2007 Error 550 However, it took a few minutes for the change to take effect. Required fields are marked *Comment Name * Email * Get Free Updates Join over 20,000 IT pros and stay up to date with the latest Exchange Server and Office 365 news, http://www.msexchange.org/kbase/ExchangeServerTips/ExchangeServer2010/SecurityMessageHygiene/5505.7.1Unabletorelay.html About Advertising Privacy Terms Help Sitemap × Join millions of IT pros like you Log in to Spiceworks Reset community password Agree to Terms of Service Connect with Or Sign up

I can't believe I've never run into this until now. 550 5.7.1 Unable To Relay Exchange 2010 Smtp mail.accepteddomain.com and Hostname.mycompany.com have the same ip address and A record is defined for them. when I ping smtp.accepteddomain.com I still get the previous ip being resolved (but no replies) - should this be modified in the DNS as well ? 3. Connect with top rated Experts 14 Experts available now in Live!

Exchange 2007 Error 550

Reply Paul Cunningham says March 2, 2016 at 8:16 pm Do you have a Hybrid configuration? Thx. Exchange 2010 Error 550 5.7.1 Unable To Relay Is remote.apira.co.uk your Exchange server? Exchange Error 550 4.4 7 For relay to internet users, you must have to create one new receive connector and configure it for relay.

I felt a bit of an idiot when i discovered that.   Chris 1 Pimiento OP erohsik.etakved Jun 25, 2013 at 7:12 UTC 1st Post What was the http://axishost.net/error-550/error-550-exchange-2007.php Here are the configuration details: Hostname.MYdomain.mycompany.com is the internal fqdn of the exchange server. here's what happened when i telnet to port 25. people do you know that have an email server in their home? Exchange Error 553

Reply Shimon Adimor says October 3, 2015 at 8:28 am Well, this is still in a test lab so I created the mailboxes myself a few days ago and did not It seems there are more and more things that require Powershell. Reply Shimon Adimor says October 1, 2015 at 10:13 am Hi Paul, I actually figured out how to modify the MX record and it is pointing correctly now. http://axishost.net/error-550/error-550-exchange-2003.php Read More Articles & Tutorials Categories Office 365 Exchange 2016 Articles Exchange 2013 Articles Exchange 2010 Articles Exchange 2007 Articles Exchange 2003 Articles Exchange 2000 Articles Cloud Computing Exchange 5.5 Articles

Reply Tamara Felton says April 18, 2014 at 8:36 am I am having an issue for just one user. (A new user). 550 5.7.1 Unable To Relay Exchange 2010 External Are there any restrictions within there that might prevent an outside source from emailing this user like "require that all senders are authenticated"? -Jay 2 Thai Pepper OP But I need configure some machines with POP3 and SMTP.

Exchange server software Mobility & Wireless Monitoring Office 365 Tools Outlook Addons OWA Addons POP3 Downloaders PST Management Reporting Security & Encryption TechGenix Ltd is an online media company which sets

Add Cancel × Insert code Language Apache AppleScript Awk BASH Batchfile C C++ C# CSS ERB HTML Java JavaScript Lua ObjectiveC PHP Perl Text Powershell Python R Ruby Sass Scala SQL Please try to resend the message later. the hostname.internaldomain.mycompany.com - is it because postmaster is automatically defined like that ? Unable To Relay Exchange 2013 I'm trying this troubleshooting but that's for Exchange 2003. –ea61 Jul 29 '11 at 8:47 If you have FIM, please review contact object of this user –user273070 Feb 24

Read More Analyzing Exchange Logs with Azure Log Analytics (Part 4) In the previous part of this article series, we looked into searching and analyzing logs collected by Log Analytics. more hot questions question feed about us tour help blog chat data legal privacy policy work here advertising info mobile contact us feedback Technology Life / Arts Culture / Recreation Science I placed my ISP dns server within the Root Hints. http://axishost.net/error-550/error-550-exchange-server.php Typically this will be either an ISP's relay server which could not deliver to an end-user server, or a corporate edge server which could not deliver to a final mailbox store

Is there any need to create a DNS record in the DC AD which the Exchange works with ? It's difficult to be 100% certain if this is your issue without also seeing the Received: headers from the NDR, but this is one fairly likely scenario. Reply rejith says May 5, 2013 at 12:41 am Thanks Paul Reply Farrukh says November 12, 2013 at 7:11 pm If CompanyA and CompanyB both are internal Relay Domains then what Isn't that more expensive than an elevated system?

Reply Shimon Adimor says September 30, 2015 at 3:31 am When I check the MX record (according to the command described in your MX record article) I get the following C:\>nslookup All other users are receiving external email ok. Polar Coordinates in sets My adviser wants to use my code for a spin-off, but I want to use it for my own company Using -njo and -cxjo for family members Solutions Accepted Domains, Exchange 2007, Exchange 2010, Exchange 2013, Internal Relay, NDRAbout Paul CunninghamPaul is a Microsoft MVP for Office Servers and Services, specializing in Exchange Server and Office 365, and