421 Server Error
Contents |
DOMAINS WEB DESIGN WEB DESIGN SERVICES CREATE YOUR OWN WEBSITE SITE HOSTING TOOLS MEET US MEET US ABOUT US PARTNERS & AWARDS BLOG WE'RE HIRING CONTACT US AMP LOGIN SUPPORT CENTER Search Support Center Product Guides Dedicated Hosting server error 421 windows live mail Reseller Hosting KnowledgeBase Website Email Domain Names Reseller Billing Community Support Browse Questions Ask server error 421 outlook express a Question User Submitted Articles Education Channels Android BoldGrid cPanel DokuWiki Drupal 7 Drupal 8 Everything Email Joomla 2.5 Joomla 3.1 connect error 10060 K2 Magento 1.6 Mambo MediaWiki Moodle Movable Type OpenCart OpenCart 2.0 osCommerce PHP-Fusion PHP-Nuke phpBB phpList Premium Website Builder PrestaShop 1.5 PrestaShop 1.6 SMF Tiki Wiki VirtueMart 3 Web Hosting Manager Website Design WordPress server error 421 error number 0x800ccc67 Tools & Resources Email Configuration Blacklist Check Visual DNS Lookup Quick Tagger Icon Sets Favicon Generator Bounce Back Parser What is my IP address? >>Email Blackberry (1)Bounceback Errors (18)Email Client Setup (13)Email Troubleshooting (22)Exim (8)Fighting Spam (23)Horde Webmail (18)How To and General Information (18)ipad (1) iPhone (3)Mac Mail (7)Mailing Lists (9)Outlook (17)Outlook 2010 (2)RoundCube Webmail (15)Sending Email From a Webpage (5)SquirrelMail Webmail (23)Thunderbird (8)Webmail (2) >>Bounceback Errors Fixing
Smtp Server Error 421
the 550 No Such User Here email error (112,158 hits)Email error 552 (58,767 hits)Why does Email bounce, bounceback, or error? (47,368 hits)Email Error- Mailbox Quota Exceeded (37,212 hits)"550 Invalid address" email error (18,898 hits) Email error 554 (102,945 hits)What to do if an email is returned? (54,190 hits)Email error 550 (43,276 hits)Email error 450 (30,762 hits)Domain example.com has exceeded the max emails per hour (14,522 hits) Mail delivery failed: returning message to sender (74,883 hits)Email error 421 (48,142 hits)Email error 553 (38,175 hits)Email Bounce- Retry timeout exceeded (27,234 hits)535 incorrect authentication (12,793 hits) >>Email error 421 Email error 421 Written by Jacob Nicholson Views: 48,142 Published: Mar 19, 2014 Comments: 56 A421 email erroris typically a temporary routing issue on the receiving mail server's end. These should usually be resolved automatically, and you should receive a final bounce-back message if the message completely fails. You usually would not receive a bounce-back message for this type of error. If your message is going to be delayed more than 24 hours, then sometimes a "delivery has been delayed" soft bounce will be returned to you, to let you know that the delivery has yet to complete succesfully. Common variations of the 421 email error
A colleague of mine has encounters errors like: An unknown error has occurred. Account: ‘mail.different.bg', Server: ‘mail.different.bg', Protocol: SMTP, Server Response: ‘421 Cannot connect to SMTP server 212.70.124.241 (212.70.124.241:25),
Server Error 421 Sending Email
connect error 10060', Port: 25, Secure(SSL): No, Server Error: 421, Error Number: 0x800CCC67 while 421 cannot connect to smtp outlook 2010 he was trying to send some emails with his Outlook Express mail client on his desktop computer running Windows XP, since he 421 cannot connect to smtp server outlook is not too much computer literate he contacted me for help on what is causing the error and how he can get through the issue and send the prepared emails to the destinations ASAP. After http://www.inmotionhosting.com/support/email/bounceback-errors/email-error-421 I have asked him a few questions necessary to better understand the status of the problem and where does it originated I have come to the conclusion that it's very likely that his outgoing SMTP port (25) outgoing TCP/IP traffic passing through the Internet Service Provider is filtered. When the 421 Cannot connect to SMTP server problem occured, he was actually in his parents house provided with an internet connection through a http://www.pc-freak.net/blog/what-causes-the-421-cannot-connect-to-smtp-server-error-and-a-quick-work-around/ BTC ADSL see BTC (Vivacom)'s ADSL page for reference I have instructed my friend to try connecting to the SMTP (25) port of the questionable email server using window's telnet client i order to check if my assumption that the outoging SMTP 25 port traffic is filtered. I instructed him to issue a command like which is so common this days and it's not news to the Sysadmins out there: cmd> telnet mail.server.net 25 This prooved my theory that the 421 Cannot connect to SMTP server was caused by a filtered traffic on the outgoing network STMP port (25). Some Internet Providers out there has that annoying practice of filtering the outgoing SMTP connections, because they couldn't deal with infected Windows computers who start acting as a SPAM networks in another more clever way, however I should admit this is pretty dumb, since it creates numerous problems to the end user like in this particular case. The temporary work around for him that I suggested was to use the mail server Webmail Interface before he moves back with his notebook back to his ISP at home which doesn't include such a foolish way to filter spammers. Share this on
Tweet If you're new here, you may want to subscfrom GoogleSign inHidden fieldsSearch for groups or messages
SMTP error 421 / 0x80042109 - fixed, but uh?> Solved Outlook 2013 cant connect to SMTP error 421 / 0x80042109 - fixed, but uh? Tags: Apps Outlook Connection Internet Service Providers Last response: April 24, 2014 12:55 PM in Apps General Discussion Share James Blonde April 24, 2014 11:34:02 AM I noticed I had a problem with sending mail last week, which has just been fixed by my ISP (who are not my mail provider). I can see exactly what they've done, but it doesn't make sense...! Can someone help? I first noticed the problem last week when sending mail via Outlook, where I was getting the error mentioned in the subject line - cannot connect to SMTP / error 421 / 0x8004219. I could still receive mail without a problem. I had made no changes to the set up at all (same setup I've had for years, through multiple ISP changes), but I have changed my ISP in the last month. I hadn't sent any mail since changing broadband provider until last week. My Mail Provider settings are: mail.freenetname.co.uk smtpmail.freenetname.co.uk Outgoing mail requires authentication Incoming server - port 110 Outgoing server - port 25 I am still able to use these settings on my mobile, as long as I'm not using my home wireless / broadband to connect. If I use wireless, mail will not send. I had run a repair on the PST file, and had played with settings in Avast - 2 potential solutions, which didn't make a difference, so I contacted my ISP today. After a bit of investigation, she made a change to my outgoing mail server, which is now: smtp.orangehome.co.uk untick outgoing mail requires authentication and now mail works. and I don't understand why! Surely my mail settings are governed by my mail provider, not my ISP? Otherwise they wouldn't still work on my phone? Is my mail now being sent via Orange / EE, rather than via my mail provider?? Will my mail still work on my mobile phone if I change the outgoing server to Orange? I'm confused!!!!!! Can anyone help?? More about : outlook 2013 connect smtp error 421 0x80042109 fixed Best solution ex_bubblehead April 24, 2014 12:55:50 PM Your provider is now requiring that all SMTP traffic on port 25 go through their servers if you are connected to their network. It's one of many anti-spam measures adopted by providers. Yours is just slow to have done so as most made the switch years ago. If your off ISP mail provider offers service on another port (usually SSL on 587) you can try setting that up. Share Can't find your answer ? Ask ! Publish Related resources Cannot connect Outlook 2013 to Virgin Media smtp server. Unticked requires authenticaion but made no diff. Any ideas - VM hasn solution More resources