Email Error 450 4.1.2
for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Ask a Question Ask for Help Receive Real-Time Help Create a Freelance Project Hire for a Full Time Job Ways to Get Help Expand Search Submit Close Search Login Join Today Products BackProducts Gigs Live Careers Vendor Services Groups Website Testing Store Headlines Experts Exchange > Questions > Remote host said: 450 4.1.2 Want to Advertise Here? Solved Remote host said: 450 4.1.2 Posted on 2006-09-14 Email Servers 1 Verified Solution 5 Comments 5,863 Views Last Modified: 2013-12-17 Sometimes (rare) when I am sending mail to college I am receiving error msg: Remote host said: 450 4.1.2 What is wrong ? thanks -----Original Message----- From: System Administrator [mailto:System Administrator] Sent: Thursday, September 14, 2006 12:32 PM To: yyy@yyy.com Subject: Delivery Failure Could not deliver message to the following recipient(s): Failed Recipient: xxx@xxx.com Reason: Remote host said: 450 4.1.2
on Windows 7 Simple Rules for Avoiding Malware in Email TagsBackpacks Battery Backup Bluetooth Color Comments Development EHR Email EMR Fixes Free Services Hard Drive Hardware Laptops Linux Maintenance Malware Marketing Medical Meta Microsoft MSOffice Office IT Open Source Passwords Phishing Printing Reference Repair Replacement Scams Security Spam Troubleshooting UPS USB Vaio Virus Website Design Windows WordPress Archives March 2012(1) January 2012(1) December 2011(1) August 2011(1) April 2010(1) March 2010(3) February 2010(3) December 2009(1) November 2009(7) October 2009(2) https://www.experts-exchange.com/questions/21989239/Remote-host-said-450-4-1-2.html July 2009(4) June 2009(2) May 2009(4) « List of USB Flash Drives with Hardware Write Protection Switch Configuring apcupsd on Linux for Multiple USB UPSes » (Fix) postfix: Recipient address rejected: Domain not found We had a problem last weekend with Postfix not accepting email for a single domain when it was coming from outside our http://www.fencepost.net/2010/03/fix-postfix-recipient-address-rejected-domain-not-found/ network, while messages from hosts on the local network were accepted and routed with no problems. Messages from outside the network were rejected with a 450 (temporary) code and the error message "Recipient address rejected: Domain not found". The cause did end up being a DNS problem (apparently the most common kind of issue with Postfix), but not one that I would have expected (a missing host entry for the top-level domain, so example.com wouldn't resolve even though mail.example.com did). Finding the source of the problem was complicated because of a set of several changes during a weekend maintenance window. We're using a bundled virtual machine called ESVA for spam filtering (currently not available, see ESVA Website (global-domination.org) Down, 2010-March) ; it's basically a prebuilt CentOS server preconfigured with Postfix, MailScanner, SQLGrey (for greylisting), MailWatch, etc.. It's worked quite well for us for several years - on our site for filtering our inbound email and that for our hosted customers, and at several customer sites where they're ru
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Start here for a quick overview of the site Help Center Detailed answers to any questions you might have Meta Discuss the workings and policies of this site About Us Learn more about Stack Overflow the company Business Learn more about hiring developers or posting ads with us Server Fault Questions Tags Users Badges Unanswered Ask Question _ Server Fault is a question and answer site for system and network administrators. Join them; it only takes a minute: Sign up Here's how it works: Anybody can ask a question Anybody can answer The best answers are voted up and rise to the top Email Bounces: Sender address rejected: Domain not found up vote 0 down vote favorite I'm getting the error below when sending mail via smtp through google apps mail. Can anyone see why I get this error? As far as I can tell my domain exists! THIS IS A WARNING MESSAGE ONLY. YOU DO NOT NEED TO RESEND YOUR MESSAGE. Delivery to the following recipient has been delayed: a.kozikowski@tutek.pl Message will be retried for 2 more day(s) Technical details of temporary failure: Google tried to deliver your message, but it was rejected by the server for the recipient domain tutek.pl by mx.maxus.pl. [213.241.89.166]. The error that the other server returned was: 450 4.1.8 : Sender address rejected: Domain not found email-bounces share|improve this question asked Feb 8 '13 at 20:13 totalitarian 11312 You really should not have removed the details when you cross-posted this. They were necessary to answer your question. –Michael Hampton♦ Feb 8 '13 at 20:30 Ahhh....I was wondering where you got the information in your response. –mdpc Feb 8 '13 at 21:18 add a comment| 1 Answer 1 active oldest votes up vote 7 down vote accepted The mail server mx.maxus.pl attempted to look up the domain name in the From: email address, aquarius@aquariusprams.co.uk, and was unable to find it. This means your recipient's mail server is having trouble resolv