Outlook Error Too Many Concurrent Smtp Connections
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Guy, we highly recommend that you visit our Guide for New Members. Solved: too many concurrent smtp connections from this ip address Too many concurrent SMTP connections Discussion in 'Web & Email' started
421 Too Many Concurrent Smtp Connections Outlook
by westone, Apr 20, 2012. Thread Status: Not open for further replies. Advertisement westone Thread Starter Joined: too many concurrent smtp connections thunderbird Jul 6, 2002 Messages: 211 Could anyone help me with this regular email error. It happens when I try to send an email. Usually it will clear itself
421 Too Many Concurrent Smtp Connections Cpanel
eventually. The error message is: An unknown error has occurred. Account: 'pop3.blueyonder.co.uk (1)', Server: 'smtp.blueyonder.co.uk', Protocol: SMTP, Server Response: '421 know-smtpout-4.server.virginmedia.net: Too many concurrent SMTP connections; please try again later', Port: 25, Secure(SSL): No, Server Error: 421, Error Number: 0x800CCC67 I don't understand what "Too many concurrent SMTP connections" means, or what I can do about it. too many concurrent smtp connections outlook for mac Thanks for your help. Tech Support Guy System Info Utility version 1.0.0.2 OS Version: Microsoft Windows XP Professional, Service Pack 3, 32 bit Processor: Intel(R) Core(TM)2 CPU 6400 @ 2.13GHz, x86 Family 6 Model 15 Stepping 6 Processor Count: 2 RAM: 3070 Mb Graphics Card: NVIDIA GeForce 6200 LE, 512 Mb Hard Drives: C: Total - 232048 MB, Free - 166478 MB; D: Total - 6404 MB, Free - 1507 MB; Motherboard: ASUSTek Computer INC., Basswood Antivirus: BullGuard Antivirus, Updated: Yes, On-Demand Scanner: Enabled westone, Apr 20, 2012 #1 awamutu Joined: Apr 20, 2012 Messages: 4 i just called them earlier for help and got a solution!!! "An unknown error has occurred. Account: 'pop3.blueyonder.co.uk', Server: 'smtp.blueyonder.co.uk', Protocol: SMTP, Server Response: '421 know-smtpout-4.server.virginmedia.net: Too many concurrent SMTP connections; please try again later', Port: 25, Secure(SSL): No, Server Error: 421, Error Number: 0x800CCC67" what it was is that the mail was going out on an old server so the man walked me through switching to the new server, for bot
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Smtp04.mailcore.me: Too Many Concurrent Smtp Connections; Please Try Again Later.
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The Server Responded 421 Too Many Concurrent S
DatabaseHelpKnowledge BaseLive ChatSend SMSSite SearchRemote SupportContact UsRSS FeedsIslandnet BlogSign Up Log In Sign Up Now User: cat /etc/exim.conf |grep smtp_accept_max Pass: "Too many concurrent SMTP connections; please try again later." ? It means the server your sending through is busy and you probably don't have SMTP Authentication https://forums.techguy.org/threads/solved-too-many-concurrent-smtp-connections.1050076/ enabled. Islandnet.com has a pool of connections reserved for customers and then the rest of the connections are available to others who have received email from us white listing the IP address for a short period. Enabling SMTP Authentication and using your account credentials will make sure that you are allocated one of the reserved connections https://hd.islandnet.com/view-article/85-too-many-concurrent-smtp-connections-please-try-again-later minimizing the possibility of seeing this message Note: There will be a time when we make SMTP Authentication a requirement so we advise all customers enable this feature when sending mail through us. Newest Articles Trying to FTP - 421 Home directory not available - What does that mean? I want to connect using FTP to Islandnet.com's servers, is that possible? How do I configure FileZilla and want to connect using SFTP? Does Mac Mail have an Auto Archive function as mail is being stored on Server using IMAP? How do I disabling the wp-cron.php in WordPress? How do I set/update a password in a .htpasswd file? I can recieve email but I cant send? Why is that? What are settings to configure my email client? What is "Whois Privacy"? ListServ - Mailing Lists Most Read Articles Contact Us Web Hosting - Pricing & Features About Us Server Settings Web Design Special Terms of Service Privacy Policy Webshots Enabling error reporting using .htaccess "Too many
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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 > SMTP ERROR 421 - Too many concurrent connections Want to Advertise Here? Solved SMTP ERROR 421 - Too many concurrent connections Posted on 2009-01-19 Exchange 2 Verified Solutions 11 Comments 11,538 Views Last Modified: 2012-05-06 Over the past few days i've been getting reports that occassionally external clients are sending mail to our Exchange 2003 server and are getting bouncebacks (550 5.7.1 Requested action not taken: message refused 554 5.0.0 Service unavailable). SMTP logs indicate it's because ERROR 421 Too many concurrent SMTP connections. I ran a netstat and there are only like 17 connections for SMTP. Also the SMTP setting is not checked off for setting a limit on number of concurrent sessions allowed in System Manager. Any suggestions on why this might be happening? D 0 Question by:dlabbadia01 Facebook Twitter LinkedIn Google LVL 31 Active 1 day ago Best Solution byRodney Barnhardt The problem usually comes from a user having too many connections to the server. This can be cause by users who VPN in frequently, and just close their connection without exiting out of Outlook. At least, Go to Solution 11 Comments LVL 16 Overall: Level 16 Exchange 14 Message Expert Comment by:BBRazz2009-01-19 If there are no settings on the server limitting the conenctivity, is the server under any form of load? Exterem load could cause an issue. -BBRazz 0 Message Author Com