Dns Error When Sending Email
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Domain Name Not Found Error
a DNS error with 4.4.1? DNS resolves though Previous Versions of host or domain name not found Exchange > Exchange 2003 and Exchange 2007 - General Discussion Question 0 Sign in to vote Our company mail google com's server dns address could not be found has been having trouble sending to a single domain. All our mail gets bounced back. At first I figured it must be their server since everything else works but http://productforums.google.com/d/topic/gmail/ggPPzjbfAgY they of course said it couldn't be. They can send to us, we cannot reply. We have no issues with email going to any other server. Our Exchange is setup to use a SonicWall server for all incoming and outgoing mail. We are using the ISP's DNS as external DNS (we have a odd internal system and our DNS https://social.technet.microsoft.com/Forums/exchange/en-US/8e968965-91dc-450c-b2a8-6922faa1e789/cannot-send-email-to-a-single-domain-gettting-back-a-dns-error-with-441-dns-resolves-though?forum=exchangesvrgenerallegacy gets forwarded to another company's DNS). When we send a email to the company we are having trouble with we get this back: The following recipient(s) could not be reached: (namechanged)@eaglegolf.comon9/2/20103:32 AM The destination server for this recipient could not be found in Domain Name Service (DNS). Please verify the email address and retry. If that fails, contact your administrator.
Frustrating, I know. In fact, fixing email delivery issues is one of the top three things we do for our server management customers. You can save yourself some https://www.rackaid.com/blog/cannot-send-email-how-to-fix-email-sending-and-receiving-errors/ money by checking these five items first. 1. Bad Passwords Never ASSUME, because when you ASSUME, you make an ASS of U and ME. -- Jerry Belson This sounds simple enough but many support tickets we see turn out to be simple password issues. People complain they cannot send email and assure us the password is correct. We reset the password and not found bang -- email is flowing again. I think the problem often stems from extra spaces. Firefox and other applications often add a spaces to copy and pasted passwords. To be certain you are not picking up a space, paste the password to your address or search box in your web browser. This is a quick and easy way to verify you've copied the domain name not password correctly. If ever in doubt, just reset your password when testing. Wrong Authentication Method Password authentication security and network security are different settings. They both must be correct.If your password fails after resetting, make sure you are using a valid authentication method. Most email clients support a variety of authentication methods such as:
Normal or Plain Password Encrypted Password Kerberos Most systems support normal/plain as well as encrypted passwords. In most cases, you should see an error about "authentication methods" if this is the problem. Password encryption and network security (Tip #5) are often confused. In many cases if you are required to use a secure network connection, you want to use a normal or plain password settings. This is not insecure because by using SSL at the network level, then entire transaction is secure. 2. Mail Server (SMTP) is Offline Sometimes mail servers crash -- not often but I see it happen on WHM/cPanel and Plesk servers. Simply restarting the service from the control panel often fixes the issue. Your email client should return a connection error. Thunderbird error due to an