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Outlook Express Error 5.1.2

I can link up with him easily using my hotmail so why not with OE (both microsoft)? A valid address looks like this: [email protected] So, if you're using Microsoft Exchange mail server 2007 or above and it is rejecting emails with the error ‘501 5.1.7 invalid address', here is the fix: The ‘DefaultDomain' parameter specifies the domain Here's what backscatter is: Spammers often falsify the From address of spam by using email addresses they’ve collected from the Internet instead of their own address. Source

Thanks for any help. Source PDF File Company Products Services Partners Support Careers Contact Us Login Sitemap Aspiresoft 2016 © All Rights Reserved To use Google Groups Discussions, please enable JavaScript in your browser settings, Here is an example of an SMTP 452 error : ""452 Out of memory" 465 - Code Page unavailable on the recipient server (also called SMTP Error 4.6.5) SMTP Error 465 Of course not ! https://social.technet.microsoft.com/Forums/exchange/en-US/cf6b703a-269f-42c4-a585-dff3119cf4ea/when-user-send-mail-getting-ndr-512-invalid-email-address?forum=exchangesvrclientslegacy

For example, the user's mailbox could have been deleted and recreated, or migrated from Exchange Online to on-premises Exchange. What's up and what to do about it? Please try the request again. by Kees Bakker / July 11, 2009 8:10 PM PDT In reply to: error 5.1.2.

Solution 2: Update stale mail exchange (MX) resource records    Error code 5.1.1 can be caused by problems with the mail exchange (MX) resource record for the recipient's domain. Does the NDR generate by your Exchange server or the recipient’s server? regal Outlook Express 3 June 2nd 07 06:56 PM Calendar: Error message - The form required to view this message Dave Kimani Outlook - Calandaring 0 July 18th 06 11:35 PM Browsers, E-mail, & Web Apps forum About This ForumCNET's Forum on browsers, e-mail, and other Web applications is the best source for finding help, troubleshooting, or tips from a community of

If the email was addressed externally, then the recipient's email address was misspelt. 512 - The host server for the recipient's domain name cannot be found (DNS error) (also called SMTP I look forward to hearing from you. Many companies implement the good practice of configuring their servers with limits on the size of emails they can receive to prevent their systems running out of space as a result https://support.office.com/en-us/article/Fix-email-delivery-issues-for-error-code-5-1-1-through-5-1-20-in-Office-365-79e91ade-5c83-405b-a37d-d99c7d069b13 Start typing the recipient's name or email address until the recipient appears in the drop-down list.

When that is the case and If the error message is not as clearly worded as in this example, then simply search this document for the secondary error code. TRY FOR FREE GET STARTED LEARN MORE Managed SupportFeaturesHow Support WorksSupported TechnologiesPricingSupport ChannelsHelp Desk SupportPhone SupportLive Chat Support Close CloseInfrastructure Management Bobcares keeps your servers secured and optimized, so that your Aside from not having the added functions of full-bore Outlook, I now get the following error message for any number of hosts, not just msn. If the email was addressed internally, then it means that the addressee, as written in the email's TO, CC, or BCC fields, does not exist in your organization's email system.

READ MORE © CBS Interactive Inc.  /  All Rights Reserved. https://www.cnet.com/forums/discussions/error-5-1-2-349392/ Please check the address and try again, or contact your system administrator to verify connectivity to the email system of the recipient. Awaiting for your reply... Our engineers monitor your servers 24/7, and support your customers over help desk, live chat and phone. Access Microsoft Exchange Server 2007 and click on the Exchange Management Shell. 2.

SMTP reply 451 can be caused by many things but generally indicates that the mail server which returns this status code is currently unavailable but may be available later. http://sisei.net/outlook-express/outlook-express-error-451-fix.html Chat with UsContact Us Facebook Twitter Google LinkedIn © Bobcares. The SMTP 5.1.2 error code is received when one of the servers on the way to the destination is unable to resolve the domain name of a recipients email address. There are a few common reasons why you might get this notification: The person or mailbox you're trying to send your message to couldn't be found on the destination email server.

For instance, the QMAIL SMTP mail program has an endearing way of telling you about a mailbox that has been suspended : "I'm afraid I wasn't able to deliver your message You are generally limited to using your ISP's SMTP mail server. -- Mike - http://pages.prodigy.net/michael_santovec/techhelp.htm "WendyB" wrote in message ... Check your Sent folder for messages that you know you didn’t send. have a peek here Kees Flag Permalink Reply This was helpful (0) Collapse - 5.1.2.

for which many thanks, dave Post a reply Discussion is locked Flag Permalink You are posting a reply to: error 5.1.2. SMTP Error 523 is often a secondary SMTP error code rather than a primary error code, as in the following examples : "SMTP Error 450 5.2.3 Message Size greater than allowed Choose Settings > Display settings > Outlook Web App version, select Use the light version of Outlook Web App, and then choose OK.

Best regards, Serena Marked as answer by Serena Li Thursday, November 04, 2010 9:44 AM Friday, October 29, 2010 7:16 AM Reply | Quote All replies 0 Sign in

Sorry, I couldn't find any host named msn.com??. (#5.1.2) -- Only Somewhat Clueless Michael Santovec View Public Profile View message headers Find all posts by Michael Santovec Find all threads started It’s annoying, but if it’s backscatter, your account hasn't been hijacked. or With Yahoo, on the other hand, this usually means the email address does not exist or has been disabled. (also called SMTP Error 5.5.4) cannot be delivered. Still need help with error code 5.1.1 to 5.1.20?

If that does not work, check with the Recipient the maximum size of email they can receive, and if that is still prohibitive then consider FTP arrangements between you and the Sorry, there was a problem flagging this post. Some other related problems will require administrator-level access to email settings that most people don't have to deal with. Check This Out Connect with us facebook twitter CNET Reviews Top Categories CNET 100 Appliances Audio Cameras Cars Desktops Drones Headphones Laptops Networking Phones Printers Smart Home Software Tablets TVs Virtual Reality Wearable Tech

Check for correct spelling. still i have not taken control of the user machine and checked.Please let me know if you need any more informations. I have an idea that it is because he is linked through a the latest I phone??? Still mystified.