Dec 28, 2006 – Exchange Server 2010 . You might need to do this if you are getting the SMTP error message "550 5.7.1 Unable to relay". The top rule is that .

Dec 13, 2010 – SharePoint 2010 installation guide (Windows 7 or Vista) – Part2 | Home . Telnet: 550 5.7.1 Unable to relay for ferdous@congral.com. I am sharing my experience here how to solve this error. . This configuration is designed to prevent unauthorized users from using your Exchange server to relay mail. .

Aug 29, 2005 – It can be tricky to find the root cause of 5.7.1 NDR errors. . end-user behavior · Exchange 2010 hub transport server load balancing -- what to .

4 posts - 2 authors - Last post: Mar 16, 2010Current discussion: Exchange 2007 "550 5.7.1 Unable to relay" . other settings in exchange 2007 can cause this error? Mezlo . On Mon, 15 Mar 2010 14:55:13 -0700 (PDT), Mezlo <mezlo@sunfire.org> wrote: >We have a .

“550 5.7.1 Unable to relay” error. Solution Allow relaying for the application http:// www.zerohoursleep.com/; 1. Add an IP to Exchange Configure your exchange .

90 posts - 9 authors - Last post: Mar 22It always comes up the same way "550 5.7.1 Unable to relay for . It's not a dns error, and of course my server is not set to relay. . I know it is something related to Exchange 2003, but none of the answers I've seen posted . Proposed As Answer byJulesCardinale Monday, December 20, 2010 5:45 AM .

10 posts - 6 authors - Last post: Jun 17, 2009The server response was: 5.7.1 Unable to relay f. ‹ Previous Thread . 14 replies . Last post Jul 02, 2010 10:30 AM by joy_vinod. (0) . . I am getting this exact error using Exchange server instead of the SMTP server in IIS. .

16 posts - 15 authors - Last post: Aug 18"SMTP server response: 550 5.7.1 Unable to relay.." . One big difference is that my server has Exchange on it, in addition to IIS running, and the relay options are in the Exchange System . Posted by redbull247365 on January 12, 2010 at 5: 10pm . I was still receiving Error could not send 500 - username .

Oct 6, 2009 – if you are getting the SMTP error message “550 5.7.1 Unable to relay” when you try to relay smtp messages thru your exchange server, you .

Jul 13, 2010 – Exchange 2007/ 2010: Unable to relay 5.7.1. Posted by Tris on Dienstag, Juli 13th 2010 . Therefore you get following error: 550 5.7.1 Unable .

Jun 12, 2007 – Exchange 2010, Active Directory Blog . Rcpt to:Spamking@SpamKing.com. 550 5.7.1 Unable to relay for Spamking@SpamKing.com .

Recently installed a Exchange 2010 in a test environment. Everything is . SMTP Relay, 550 5.7.1 Unable to relay. Solution . . What error message do you get? .

Nov 17, 2006 – Exchange Server 2010 . . this step, people who send email .

Jun 23, 2011 – If you are getting '550 5.7.1 Unable to relay' in outlook you can fix it by changing Authentication settings in internet(Default) receive connector. .

Aug 25, 2011 – SMTP error message “550 5.7.1 Unable to relay”. A customer wants to send through the Exchange 2010 hub transport server to external .

4 answers - Jan 14, 2009The server response was: 5.7.1 Unable to relay. How can I get exchange to accept my email and send it out to the . . Microsoft Exchange 2007/2010 send SOAP request on an event? . Exchange 2007 WebDAV 404 Error .

Resolving SMTP error 550 5.7.1 Unable to relay for user@domain.com Error .

Jan 17, 2008 – 550 5.7.1 Unable to relay for <email> . I finally searched the error message and found this. . .. I am network admin in my company and we have exchange 2003 server and all . Stuart Laverick • Mar 25, 2010 @10:21 am .

5 posts - 3 authorsHi All friends I have Exchange 2003 SP2 Server. I have a problem that my Users uses . Problem with Exchange RELAY with Error (550 5.7.1 Unable to relay ). Asked by Shahnawaz Ali | posted . Reply from bibo maria | Aug 7, 2010. Reply .

8 answers - Mar 3, 2009Why are senders receiving 550 5.7.1 "Unable to relay" messages? . The messages never make it to our Exchange server based on logs and message tracking. . and is NOT spam related, only mails from hotmail to some domains have this 5.7.1 problem . Arrival-Date: Fri, 16 Jul 2010 11:11:05 -0700 .

6 posts - 2 authors - Last post: Aug 20Answer Help Please SBS 2011 with exchange 2010 - error 5.7.1 Unable to relay .

Allow relaying on Exchange 2007 & Exchange 2010 in 4 easy steps . to internal users however external ones are failing with a "550 5.7.1 Unable to relay" error .

14 posts - 3 authors - Last post: Mar 23I'm having problems configuring relaying on Exchange 2010. Right . The error message is: . The server response was: 5.7.1 Unable to relay .

4.3.11 550 x.x.x Unable to relay for xxxxx. . I am getting following error. . .. rituraj [ rituraj dot 786rr ( at ) gmail dot com ], 2010-01-06 01:07:52 # . to an external Domain using my company's old exchange server but not the new exchange server. . . The server response was : 550 5.7.1 unable to reply for mymail@mail. com .

Aug 19, 2010 – In most Exchange Server 2010 environments there will be the need to . Sender OK rcpt to: somebody@gmail.com 550 5.7.1 Unable to relay . . Hi JK, you've got to do the steps in the right order or you'll run into that error. .

Oct 19, 2004 – Mail up again - No more "550 5.7.1 Unable to relay for . . . 2) You can get the 550 relay error message if Exchange 2003 is failing to resolve the .

14 posts - 10 authors - Last post: Apr 14The clients get the "550 5.7.1 Unable to relay" message. . . Error: 553 sorry, that domain isn't in my list of allowed rcpthosts (#5.7.1) .

Oct 22, 2008 – Error: 550: 5.7.1 Unable to Relay when sending out POP3 . Based on what I see in various forums, there is a lot of confusion on setting up POP3 on Exchange Server 2007 in general. . Bob Says: April 13th, 2010 at 12:12 pm .

Nov 4, 2010 – Exchange 550 5.7.1 Unable to relay . UPDATED: December 13 .

Jan 8, 2009 – When you are analyzing a nondelivery report containing error .

5 posts - 3 authors - Last post: Mar 16The Exchange 2010 Server gets a "550 5.7.1 Unable to relay" error message. see below 2011:03:15-23:57:39 roxy73 exim-in[6400]: .

Aug 30, 2011 – exchange 2010 server error 550 5.7.1 unable to relay . We just moved to exchange 2010 and everytime one of our remote users sends emails .

My Exchange 2007 or 2010 does not accept emails larger than 10MB. . With this SMTP error message Exchange is telling us that no new emails are accepted . Exchange 2007 rejects POPcon emails with "550 5.7.1 Unable to relay". .

May 22, 2008 – An open mail relay is a SMTP server configured to allow anyone on the . If you get a error message that looks roughly like "5.7.1 Unable to relay" or "550 . Exchange 2003 has a feature to reject messages if they're not from .

10 posts - 2 authors - Last post: Mar 5, 2010As of right now, I can send mail from my Exchange Server using Mailhop outbound. But receiving . . I am guessing a configuration error somewhere. For the heck of it I . 550 5.7.1 Unable to relay [5086 ms] QUIT 221 2.0.0 .

Jun 29, 2011 – 550 5.7.1 Unable to Relay Mail From Exchange Server . Queue Must Be Flushed Manually due to 'Passed List had more than one value' Error .

The logfile shows 550 5.7.1 Unable to relay (Exchange 2007/2010); Cause: This error happens when Exchange does feels responsible for your e-mail domain. .

Aug 7, 2007 – Your outlook is set up in SMTP mode instead of Exchange account (MAPI). . datasecurity bibomaria - 07 Aug 2010 11:58 GMT . Error 5.7.1 unable to relay. I am receiving occasional events on Exchange 2003 from a client .

The logfile shows 550 5.7.1 Unable to relay (Exchange 2007/2010). Cause .

15 posts - 2 authors - Last post: Apr 8Now we have migrated to exchange 2010, it will not allow relaying using this .

Jan 3, 2007 – Find out how to allow anonymous relay in Exchange 2010 and 2007 without giving up security. What are the . 550 5.7.1 Unable to relay .

Problem Description: When trying to send email via SMTP with an exchange server you get the message "Mailbox unavailable. The server response was: 5.7. 1 Unable to relay". . Last Updated: 01/15/2010 02:49 PM. View the discussion .

8 posts - 7 authors - Last post: Jan 28SMTP RCPT command failed Error (550) 5.7.1 Unable to relay, Mail sending to other domain's email ID . This more looks like errors from your exchange side rather then USD. you can check with your . Oct 4 2010, 02:52 PM .

9 posts - 2 authors - Last post: Mar 13, 2008Exchange 2007 error 550 5.7.1 Unable to relay Exchange 2007 / 2010. . Single 2003 domain, two exchange 2007 SP1 servers, one is .

Nov 17, 2010 – TMG&EDGE server 550 5.7.1 Unable to relay . been working on one of our LABs last couple days to configure Exchange 2010 servers to work with TMG & EDGE. . . TMG CAS 2007 ACTIVE SYNC Error, Status: 12309 The. .

5 posts - 2 authors - Last post: Mar 16, 2010connectors but no matter what I do I still get "550 5.7.1 Unable to relay" when sending to an external . other settings in exchange 2007 can cause this error? Mezlo . On Mon, 15 Mar 2010 14:55:13 -0700 (PDT), Mezlo wrote: .

Nov 16, 2010 – #<#5.7.1 smtp;550 5.7.1 Unable to relay> #SMTP# when sending notifications. . addresses why are notifications not being sent after upgrading to Microsoft Exchange 2010? The message is returned with the following errors: .

3 posts - 2 authors - Last post: Sep 20, 2010550 5.7.1 Unable to relaybut only when sending mail with php-mail. . to a external E-Mail address, I get the error: 550 5.7.1 Unable to relay . . Unable to relay My system: -Windows Server 2008 R2 -Exchange 2010 -Forefront .

3 posts - 2 authors - Last post: Mar 1, 2010Joined: Fri Feb 26, 2010 8:52 am. Posts: 0. Post 550 5.7.1 Unable to relay [4196 . I have an Exchange 2007 mail server which MX Toolbox is reporting the error 5.7.1 Unable to relay. I have reduced the transaction time to less .

6 posts - 4 authors - Last post: Jun 2, 2010Situation: The cleint setup Windows SBS 2008 with Exchange. . error that the other server returned was: 530 530 5.7.1 Client was not authenticated (state 13). . Please refer to this post: 550 550 5.7.1 Unable to relay (state 14) . Last edited by reginee on Fri Jun 04, 2010 11:15 am, edited 1 time in total. .

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