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The recipient uses Outlook Exchange. Hello Terence,My problem is that i'am not allowed to send anonymous, I have to use, for security reasons, TLS and Integrated Windows authentication and as permission group Exchange users. 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 Any ideas? Source

Thanks, Mahesh Thursday, November 19, 2009 5:00 AM 0 Sign in to vote Hi mahesh, How do permit SMTP traffic only on my excahnge server? Please suggest appropriates solution if any. Add Anonymous Permissions PowerShell Get-ReceiveConnector "Receive Connector" | Add-ADPermission -User "NT AUTHORITY\Anonymous Logon" -ExtendedRights MS-Exch-SMTP-Accept-Any-Recipient 1 Get-ReceiveConnector "Receive Connector" | Add-ADPermission -User "NT AUTHORITY\Anonymous Logon" -ExtendedRights MS-Exch-SMTP-Accept-Any-Recipient Test the relay again You also add Restricted IPs or domain name that you don’t want to allow. http://geekswithblogs.net/ferdous/archive/2010/12/13/smtp-exception-550-5.7.1-unable-to-relay.aspx

Smtp 550 5.7.1 Unable To Relay

Get-ReceiveConnector "Replace with your connector name" |Add-AdPermission -User "NT AUTHORITY\ANONYMOUS LOGON" -ExtendedRights ms-Exch-SMTP-Submit,ms-Exch-SMTP-Accept-Any-Recipient,ms-Exch-Bypass-Anti-Spam. Yes, I know, windows is supposed to automagically defrag for you. The last step gave another error message. I have been racking my brain to figure this out and changing the SMTP authentication worked.

May 28, 2012 at 12:23 PM Anonymous said... Privacy Policy Support Terms of Use 12,654,672 members (29,794 online) Sign in Email Password Forgot your password? In the sense - the solution is correct but i was using the wrong ip.The server that i work on has more than one ip address as it hosts multiple websites.I 550 5.7.1 Unable To Relay Office 365 Thanks SO much for this!

Please help with ver 2010. After I set "no fixup protocol smtp 25" in it, the problem resolved. Friday, October 06, 2006 5:12 AM 0 Sign in to vote I keep getting this same problem popping up from time to time. https://blogs.technet.microsoft.com/jhoward/2005/10/11/resolving-smtp-error-550-5-7-1-unable-to-relay-for-userdomain-com-error-0x800ccc79/ If the person exits out of Outlook though, and goes into there webmail account, then they can send the e-mail without a problem.

My friends user account login was: RW, but her emailaddress was [email protected] . Server Error 550 5.7 1 Unable To Relay Outlook 2013 On the Advanced Tab change the "Outgoing mail (SMTP):" to 587 (the default is 25). Looking for a Offshore Development or partnership.............. June 20, 2012 at 7:51 AM Unknown said...

550 5.7.1 Unable To Relay Exchange 2010

The server response was: 5.7.1 Client was not authenticated" August 30, 2013 at 7:00 AM Anonymous said... I have added my IP address via IIS-->Default SMTP Virtual Server-->Properties-->Access-->Relay restrictions just add or exclude >the IPs you care about, should resolve the issue. Smtp 550 5.7.1 Unable To Relay Left by Jan on May 18, 2012 9:53 AM # re: SMTP Exception: 550 5.7.1 Unable to relay Nice...solved our issue, however does it opens up any loop holes and do 550 5.7.1 Unable To Relay Exchange 2013 Help Desk » Inventory » Monitor » Community » Terence Luk Tackling the daily challenges of technology...

He is also founder of SharePoint Expert group. http://crudlet.org/unable-to/telnet-unable-to-relay.html I have install my exchange 2010 server few days ago. I initially thought it was something minor such as firewall or IP address so I went ahead and checked the obvious. Mail started flowing. 550 5.7.1 Unable To Relay Exchange 2007

I was getting error highlighted in below: Telnet: 550 5.7.1 Unable to relay for [email protected] I am sharing my experience here how to solve this error. this was the error which i got while using MS Outlook exp2003 and it was solved.............. All rights reserved.Newsletter|Contact Us|Privacy Statement|Terms of Use|Trademarks|Site Feedback | Search MSDN Search all blogs Search this blog Sign in John Howard - Senior Program Manager in the Hyper-V team at Microsoft have a peek here How do I generate a time series in PostgreSQL?

The environment had Exchange Server 2010 as their messaging service and I've configured numerous Exchange Receive Connectors for mail relaying for various devices but as I completed my syslog configuration and 550 5.7.1 Unable To Relay (in Reply To Rcpt To Command) Subject: Need of below system details. Wednesday, October 03, 2007 12:58 AM 0 Sign in to vote Thank you very much for your help, it work for me!!   I have a SBS 2003 with Exchange std

Three things can be going on:   1) This user authenticates over SMTP like all the other users, but this user doesn't have the permission to relay 2) This user is

Tuesday, September 26, 2006 7:50 AM 0 Sign in to vote I am running windows XP Pro with outlook, I am not on a network and I receive e-mails but I Thanks Terence! I am able to get e-mails from this address but I can't send any from my company e-mail to the address. Server Error '550 5.7.1 Unable To Relay' Outlook 2010 Unlike earlier versions of Exchange where this was allowed by default.

The server response was: 550 5.7.1 Unable to relaySource Error: An unhandled exception was generated during the execution of the current web request. He has done several projects, trainings and workshops on SharePoint. Like mine. Check This Out A computer that is running Microsoft Exchange Server 2003 or Microsoft Exchange 2000 Server can be configured as a mail relay.

Reply Vikash Prasad says: February 13, 2014 at 6:05 am Dear John, Your idea worked out very well for and i am very grateful for that. Sudeep 0 Message Author Comment by:Lasareath ID: 379764412012-05-16 I don't care if it can be used for spammers. Then under the permissions groups tab I set, Anonymous, Exchange users, Exchange Servers, and Legacy Exchange Servers. Can anyone please help?

Microsoft Outlook 2003 Click on Tools pull down to Email Accounts Choose "View or change existing e-mail accounts" and click Next Highlight the POP/SMTP account name and click Change I tried every possible recommendations but to no avail - even recommendations here. Any suggestions? He is also founder of SharePoint Experts Bangladesh user-group.

That would be the easiest solution - make sure this user is indeed submitting over port 587 (like possibly the rest).   Otherwise it's going to be pretty complicated, as it this was the error which i got while using MS Outlook exp2003 and it was solved.............. If not, make the smtp address for the organisation the primary, wait about 15 minutes and send the user an email - see if that comes back with the same error. Join our community for more solutions or to ask questions.

Remove the original sender and recipient email addresses and any public IP address if listed in the telnet session. Response: 550 5.7.1 Unable to relay for [email protected] - 8 We already tried to send data with the email "[email protected]" in our microsoft outlook and it works. However all external users have dynamic IP's so this solution will fail. Sent: 2/19/2011 10:18 AM The following recipient(s) cannot be reached: [email protected]' on 2/19/2011 10:18 AM 550 < [email protected] > No such user here THK U

It always comes up the same way "550 5.7.1 Unable to relay for [email protected]" to everyone of the recipients on the original email message. Get-ReceiveConnector "" | Add-ADPermission -User "NT AUTHORITY\ANONYMOUS LOGON" -ExtendedRights "Ms-Exch-SMTP-Accept-Any-Recipient"Works!!!! If you were to use an external domain as the sender address, you'll also need to check the option: Permissions Group -> Anonymous Hope this helps anyone who might be experiencing Log into an Exchange Management Shell and use the command below to get the receive connector and pipe it to an Add-ADPermission command for the Anonymous permission.

Proposed as answer by bvj1972 Wednesday, March 24, 2010 11:50 AM Monday, March 15, 2010 5:31 PM 0 Sign in to vote Error Scenario Two: 550 5.7.1 : Helo command rejected:

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