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451-4.1.8

Kev. he's having this problem only when tries to send an email to that email address, and I'm not sure if it's a problem on our server or on their server Thank Managed Cloud Servers Server Management and Monitoring 24x7 outsourced customer support Reply With Quote 0 06-17-2009,02:20 PM #6 ovisopa View Profile View Forum Posts View Forum Threads Visit Homepage This is just a tribute) Reply With Quote 0 06-18-2009,03:25 AM #14 ovisopa View Profile View Forum Posts View Forum Threads Visit Homepage Junior Guru Join Date Dec 2002

Problem: I had an issue especially with mobile devices that refused to use DNS information supplied via… DNS What is an Application Delivery Controller (ADC)? share|improve this answer answered Aug 8 '12 at 9:39 Alex 5,95322143 1 it probably was, problem is solved now –user131368 Aug 10 '12 at 10:28 add a comment| Your Answer Discuss the Scalix Server software Moderators: ScalixSupport, admin Post Reply Print view 2 posts • Page 1 of 1 akoei Posts: 66 Joined: Tue Jul 03, 2007 5:13 pm 451 4.1.8 Register New Posts Advertising Contact Us Advertise Privacy Statement Terms of Service Sitemap Top Hosting and Cloud Web Hosting Talk HostingCon WHIR Hosting Catalog Hottest Hosts Data Centers Data Center Knowledge

Right now my mail server has a PTR (Pointer) record in reverse, but an MX in forward. You get the name from an ip address in reverse lookup. "Should I be using mail.domain.com or domain.com as the forward FQDN? users sometime got 451 error, and take long time to skip that "bad" message and fetchmail always leave the "bad" message on pop3 server, then it will take more time on

domain-name-system email postfix email-server email-bounces share|improve this question asked Aug 8 '12 at 8:14 user131368 18113 add a comment| 1 Answer 1 active oldest votes up vote 2 down vote accepted terremark.com. 300 IN MX 15 fldsmtpe02.verizon.com. It comes from a different check, one that tries to eliminate spoofed/bogus From: addresses by doing a normal (A or MX) DNS lookup on the domain portion of the address. Let me repeate that along with command-string nslookup we can use http://www.kloth.net/services/nslookup.php to check our zone via DNS server in doubt. 0 LVL 2 Overall: Level 2 Message Author Comment

Why most of us wear the hand watch on the left hand? This may cause the connection to fail. I have no trouble sending email to other domains. https://www.experts-exchange.com/questions/22006521/451-4-1-8-Domain-of-sender-address-does-not-resolve.html terremark.com. 300 IN MX 15 fldsmtpe03.verizon.com.

mail.domain.com I get the IP address of my mail server" - it's wrong. Navigate to the Recipients >> Mailb… Exchange Email Servers Embedded vs hosted images in email signatures Video by: Exclaimer To add imagery to an HTML email signature, you have two options Not the answer you're looking for? What I can say is that this should not cause a problem, but there is a possibility that any change to a production server could cause an issue, particularly if there

Should I be using mail.domain.com or domain.com as the forward FQDN? check these guys out Join the community of 500,000 technology professionals and ask your questions. If you choose to participate, the online survey will be presented to you when you leave the Technet Web site.Would you like to participate? Any help is appreciated.

issue Use this forum if you have installed hMailServer and want to ask a question related to a production release of hMailServer. Clients can't have *outbound* vanity mail host names like: mail.mydomain.com mail.someotherdomain.com mail.foobardomain.com ... Connect with top rated Experts 22 Experts available now in Live! Join and Comment By clicking you are agreeing to Experts Exchange's Terms of Use.

Any ideas on things I can do to fix this. Hope there's no problem with the point split. 0 LVL 11 Overall: Level 11 Networking 9 DNS 3 Message Expert Comment by:PennGwyn2004-12-03 Comment Utility Permalink(# a12737599) > Its called a Join and Comment By clicking you are agreeing to Experts Exchange's Terms of Use. Or just domain.com?" - - mail.domain.com.

Quote Postby msweany » Mon Oct 30, 2006 5:34 pm I have been using Scalix Server for a couple of months (about 4-5) now with no problems. But the cited message is NOT the rDNS failure message. Networking Hardware-Other Citrix NetScaler Networking Web Applications How to Monitor Bandwidth using PRTG (very basic intro, 3:04) Video by: Kimberley Here's a very brief overview of the methods PRTG Network Monitor

If it is a shared mail server used by other clients such as you, then they will not be willing to change the PTR (rdns) record to satisfy your request. "Even

If you do not host your email server, contact your ISP and tell them you need the reverse lookup zone defined. 2. Get 1:1 Help Now Advertise Here Enjoyed your answer? SupportExpertz.com - the name says it all! Apparently, the remote mail server is not getting an answer, either because no entry exists (most likely...), or because there is some other problem with DNS resolution from that server. 0

The outbound mail host *should* (I say *must*) have a PTR (rdns) record which matches the outbout mail host's hostname. issue Quote Postby DanCML » 2010-06-09 17:48 That looks like a Postfix error message ... Contact Tailormade support. "Even those who arrange and design shrubberies are under considerable economic stress at this period in history." Reply With Quote 0 06-17-2009,08:25 PM #13 mugo View Thank you again.

Here test your zone with this address... At the command line: dig @ns.tailormadeservers.com -x 67.222.136.60 The PTR record has not been updated. I think nothing can be done to fix that on your side. But the outbound mail configuration should have a hostname that matches the PTR record. "Even those who arrange and design shrubberies are under considerable economic stress at this period in history."

Top mharizanov New user Posts: 4 Joined: 2010-06-09 13:26 Re: 451 4.1.8 Domain of sender address... And an A record for my mail server mail.domain.com - xxx.xxx.xxx.xxx If you believe deleting the records and recreating them may have an affect, I'm willing to try. 0 LVL issue Quote Postby mharizanov » 2010-06-10 08:47 thanks for all replies.i located the problem in a linux machine before the hmail server; iy has anti-spam software and the DNS it used Texas, USA speed ticket as a European citizen, already left the country Value of limit with integral involved in it Chances of getting 5 golden legendaries in a single pack?

No, it's not. Please contact your hosting provider or server provider to setup this. asked 4 years ago viewed 18785 times active 4 years ago Blog How We Make Money at Stack Overflow: 2016 Edition Related 0Email being bounced if email recipient domain name == I do host my own mail and DNS, we're running MS DNS.

The vast majority of email clients display l… Office 365 Exchange Outlook Exclaimer Advertise Here 707 members asked questions and received personalized solutions in the past 7 days. Managed Cloud Servers Server Management and Monitoring 24x7 outsourced customer support Reply With Quote 0 06-17-2009,11:21 AM #3 ovisopa View Profile View Forum Posts View Forum Threads Visit Homepage Join the community of 500,000 technology professionals and ask your questions. Join & Write a Comment Already a member?

Top mharizanov New user Posts: 4 Joined: 2010-06-09 13:26 Re: 451 4.1.8 Domain of sender address... Privacy statement  © 2016 Microsoft. Would this be considered as plagiarism? ce_logging If at first you don't succeed, bomb disposal probably isn't for you! ヅ Top DanCML Normal user Posts: 103 Joined: 2009-07-08 17:56 Re: 451 4.1.8 Domain of sender address...

Reply With Quote 0 06-17-2009,12:22 PM #4 mwatkins View Profile View Forum Posts View Forum Threads Web Hosting Master Join Date Nov 2001 Location Vancouver Posts 2,416 This is Some servers (Like mine and most admin I know) check to make sure that your email server has a reverse lookup zone defined, this is to ensure that you are who