Outlook Express Error 421 Fix
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Error 421 Cannot Connect To Smtp Server
Thailand UK & Ireland Vietnam Espanol About About Answers Community Guidelines Leaderboard Knowledge Partners Points & Levels Blog Safety Tips Computers & Internet Software Next How to Fix an Outlook Express Error 421? Follow 1 answer 1 Report Abuse Are you sure you want to delete this answer? Yes No Sorry, something has gone outlook error 421 too many messages wrong. Trending Now Eddie Jackson Karrueche Tran Cobie Smulders New Orleans Saints Online MBA Credit Cards Trisha Yearwood SpaceX rocket Charlize Theron Cable TV Answers Best Answer: This problem is usually caused by anti-virus or firewall software in your computer. Do not use them to scan your mail system, try to disable their scan mail function. And if not works, pls reset your mail account. Open your e-mail program > Tools > Accounts > your bizmail account > Properties > Servers, under Outgoing Mail Server, put a checkmark on " This server requires Authentication " > Apply > Advanced, under Outgoing Mail (SMTP), change it to 465 not 25. Put a checkmark on " This server requires a secure connection (SSL) " > under Incoming Mail (POP3) change it to 995 not 110. Put a checkmark on " This server requires a secure connection (SSL) " > OK Thanks and let me know if this works. Source(s): www.smartpc
How to Fix an Outlook Express Error 421 How to Fix an Outlook Express Error 421 By Sam N. Austin eHow Contributor Sam N. Austin Follow Pin Share Tweet Share
Error 421 Email
Email Save Microsoft Exchange Server administrators may need to change the server settings
421 Message Rejected
if users connect to the server with Outlook Express using a POP3 connection. The users will receive an error message when error 421 ftp they try to send email to an email account on the server. The message may vary but will typically begin with "An unknown error has occurred" and specify "Server Error: 421." The error occurs https://answers.yahoo.com/question/index?qid=20120820203927AAM6Sce when the number that has been set for maximum inbound connections on the server is met. To resolve the problem you must increase the number of connections allowed. Open the Microsoft Exchange Server Administrator utility. The access path to the utility will vary depending on the installation procedure used to set up your Exchange Server. Click the "Connections" icon in the left-side navigation pane of the Microsoft Exchange Server Administrator http://www.ehow.com/how_5192710_fix-outlook-express-error.html window for the server you want to administer. Double-click the Internet Mail Service icon in the right-side pane. This opens the Properties window. Click the "Connections" tab in the Properties window, then click the "Advanced" button. This opens a configuration window. Set the number for "Max No. of Inbound Connections" to a high number such as 100. You may need to reset it to higher values until the problem is resolved. Close all open Exchange Server Administrator program windows to complete the process. References Article on Microsoft Website about resolving an Outlook Express Error 421 message Promoted By Zergnet Comments Please enable JavaScript to view the comments powered by Disqus. You May Also Like How to Delete Error Messages in Outlook Express The "Server Error: 421" error message appears in Outlook Express when you are on a server that is utilizing a POP3 connection... Email "Error 550" Meaning How to Retrieve Email Sent in Error. Sending an email to the wrong person--or a wrong email ... The "Server Error: 421"... How to Fix a "VPN Remote Computer Did Not Respond" Error How to Fix a "VPN Remote Computer Did Not Respond" Error. ... Email; Stay Connected; Websites; More eHow. home; mom; style; food;... "Too Many Users"
TechSpot RSS Get our weekly newsletter Search TechSpot Trending Hardware The Web Culture Mobile Gaming Apple Microsoft Google Reviews Graphics Laptops Smartphones CPUs Storage Cases Keyboard & Mice Outstanding Features Must Reads Hardware Software Gaming Tips & http://www.techspot.com/community/topics/unable-to-send-mail-using-outlook-express.47951/ Tricks Best Of Downloads Latest Downloads Popular Apps Editors Picks Device Drivers Product Finder New Releases New PC Games Laptops Smartphones Routers Storage Motherboards Monitors Forums Recent Activity Today's Posts News Comments TechSpot Forums Forums Software Apps & Software Today's Posts Unable to send mail using Outlookexpress Byjasonbourne Apr 11, 2006 I am able to receive mail and read mails using outlook express but not able to send them. it shows any one of the error 421 following errors. examples: An unknown error has occurred. Account: 'pop.mail.yahoo.com', Server: 'smtp.mail.yahoo.com', Protocol: SMTP, Server Response: '421 Cannot connect to SMTP server 68.142.203.143 (68.142.203.143:25), connect error 10061', Port: 25, Secure(SSL): No, Server Error: 421, Error Number: 0x800CCC67 The message could not be sent because one of the recipients was rejected by the server. The rejected e-mail address was 'u0503667@nus.edu.sg'. Subject 'print this *****', Account: 'pop.nus.edu.sg', Server: 'smtp.nus.edu.sg', Protocol: SMTP, Server Response: '550 5.7.1 Unable to relay outlook error 421 for u0503667@nus.edu.sg', Port: 25, Secure(SSL): No, Server Error: 550, Error Number: 0x800CCC79 And for the IMAP server that i use it shows the following error when i try to send it. The server does not support a SSL connection. Account: 'stuimaphost.comp.nus.edu.sg', Server: 'mailauth.comp.nus.edu.sg', Protocol: SMTP, Server Response: '250 HELP', Port: 25, Secure(SSL): Yes, Server Error: 250, Error Number: 0x800CCC7D Apr 11, 2006 #1 Nodsu TS Rookie Posts: 5,837 +6 First: SMTP connection to the server failed. Something is blocking SMTP traffic - could be your ISP. Second: The server supports SMTP, but doesn't like you, or the recipient address. Third: You have configured Outlook to use SSL, but the port specified is 25 - plain SMTP. Where did you get these configurations? Why do you think any of these would work? Did they work before? Apr 11, 2006 #2 jasonbourne TS Rookie Topic Starter I thought that these configurations worked bcoz i was able to view and read mail. I got them by searching from google. i got the incoming and outgoing servers verified for the accounts that gave these errors. If the problem is with ports can u tell me the correct port numbers for yahoo and gmail. Why would a server block my recipient address. I was sending the mail to myself just for checking. And i couldnt the m