The leading Microsoft Exchange Server and Office 365 resource site. Permission Groups: Anonymous Users and Exchange Servers checkboxes are checked. My assumption, based on your problem description, is that you haven't changed your firewall rule to NAT the incoming TCP 25 connections to the Exchange 2010 server. Eg here is how to setup Spamhaus for an Exchange 2010 transport server (instructions are for Edge Transport but same steps apply to Hub Transport if you first install the anti-spam http://netfiscal.com/exchange-2010/exchange-2010-smtp-telnet-unable-to-relay.html
Reply Ed Mead says August 9, 2012 at 2:13 pm That fixed it. In most circumstances you're better off setting up authentication if you can do so. Additional Details Unabled to determine SMTP capabilities. GRIMREAPERXX Tutorials 34,378 views 18:28 How to configure Outlook Anywhere in Exchange 2010 - Part 1 - Duration: 10:48. https://social.technet.microsoft.com/Forums/exchange/en-US/ab3105d5-2948-4a35-8291-81f644ac8957/exchange-2010-571-unable-to-relay?forum=exchange2010
A Page of Puzzling How to respond to a ridiculous request from a senior colleague? Thanks, Reply Bhupi says October 1, 2013 at 2:05 pm Hi Paul I just want to say thanks for this informative article, i am struggling to configure mobile devices of the Good stuff! Confused.com!!
from some systems. Can a creature with multiattack make more than one attack as part of a readied attack? VentiTeam 32,253 views 9:29 Exchange Server 2010 Server Roles - Duration: 1:28:37. Exchange 2010 Smtp Relay Authentication Invalid address error Reply Paul Cunningham says May 20, 2012 at 8:21 pm Why not just supply a valid address?
For anyone who reads this later, the expected 220, actual 500 error was fixed by altering the authentication settings for the internet receive connector in exchange 2010. Thanks, Bisi. what happens if you have a mix of authenticated and non-authenticaed servers that need to relay. http://www.msexchange.org/articles-tutorials/exchange-server-2010/management-administration/managing-relay-connectors-exchange-server-2007-2010-part1.html Reply Paul Cunningham says October 27, 2011 at 7:55 pm Hi Peter, putting the relay connector on a dedicated IP is a good way to resolve issues where the wrong connector
Thank you in advance. Exchange 2010 Relay Logs Thanks. It would still allow it to route normail client email? Reply Muhammad Hasan says July 23, 2012 at 10:36 am Your help me to get my job done under huge pressure.
Cunningham. Figure 03 The network binding on the Operating System must use LAN as primary adapter and our SMTP adapter as secondary. 550 5.7.1 Unable To Relay Exchange 2010 External Thank you so much! Relay Connector Exchange 2013 Reply Paul Cunningham says September 15, 2012 at 7:49 pm In the situation where you have an authenticated connection coming from multiple unpredictable IPs you have to create a separate Receive
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 http://netfiscal.com/exchange-2010/exchange-2010-rcpt-to-unable-to-relay.html This is the same fully-qualified name that shows up in our Exchange Management Shell when I launch it). wrong username or password. Reply Paul Cunningham says June 9, 2011 at 9:34 pm Hi Robert, is the app running on the SBS server itself or on another server/pc somewhere? Exchange 2007 Smtp Relay
Read More Planning Skype for Business (Part 1) This article looks at understanding the Skype for Business Server 2015 server roles and how to start the planning process to deploy the You could look at using SMTP authentication instead, so that the Azure app makes an authenticated connection to a receive connector regardless of which source IP it is coming from. Don't try it directly on the Exchange server itself. http://netfiscal.com/exchange-2010/exchange-2010-migration-unable-to-relay.html Reason: Unexpected SMTP server response.
Using dedicated IPs basically avoids a variety of potential problems. Ms-exch-smtp-accept-any-recipient In this video I'll show you how to setup a receive connecter that will allow anonymous relay through Exchange Server 2010. It has to be do done with powershell http://technet.microsoft.com/en-us/library/bb232021.aspxYou have to restart the transport service after you have done this. 0 Jalapeno OP Moneer81 Oct 5, 2011
On the permissions groups tab: Check 'Exchange Servers' and 'Legacy Exchange Servers' leave everythng else unchecked. Sign in Share More Report Need to report the video? Reply Tony Bouttell says February 7, 2013 at 4:37 am Another solid article dude. Exchange 2010 Smtp Relay For Copier This will be useful when we have our second Receive Connector in place.
By setting the external relay and specifying the IP in which is allowed to send you are not opening yourself up to all open relay's, only the specific IP's you enter. HTH Reply Jason Hauck says November 2, 2012 at 2:14 am Thanks for the article. You can see this in effect if you telnet to the server on port 25 and try to initiate unauthenticated SMTP communications. 220 EX3.exchangeserverpro.local Microsoft ESMTP MAIL Service ready at Wed, weblink I assume if it the exchange server gets sent a correct username and password from the macro then it should allow the mail out?