Norton Internet Security Email Error 421
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Error: "Email Error: 421..." appears when I send emails in Microsoft Outlook or Windows Mail with a Norton product installed These steps are for the error 421 cannot connect to smt current version of the Norton products. If you have an older version 421 message rejected or if you do not know your product version, go to Norton Update Center. Disable outgoing email outlook error 421 too many messages scan When you disable the outgoing email scan, your outgoing emails are no longer scanned. However, Email Protection continues to protect your computer by scanning the incoming emails. Start error 421 smtp your Norton product. Click Settings. Under Detailed Settings, click Antivirus. On the Scans and Risks tab, next to Email Antivirus Scan, click Configure. In the Email Antivirus Scan window, under What to scan, uncheck Scan outgoing email messages. Click Apply. In the Security Request window, from the drop-down menu, select Permanently, and then click OK. In the Email Antivirus
Windows Live Mail Server Error 421
Scan window, click OK. Click Close. Thank you! Thank you for using Norton Support. < Back Was this information helpful? Yes No DOCID:kb20101015110602EN_EndUserProfile_en_us Operating System:Windows Last modified:10/03/2016 × × What can we help you with? GENERAL HELP Download & Install Renewal & Purchase Threat Removal PRODUCT HELP Norton Security for Windows Norton Security for Mac Norton Security for Mobile Did you get your Norton product from xfinity? Other products I'm not sure Help for other Norton Products: Norton Internet Security & AntiVirus for Mac Norton Security Suite for Comcast Norton WiFi Privacy Norton Small Business Norton Identity Protection Norton Identity Safe Norton Online Backup Norton Family Norton Ghost Norton Utilities Norton Studio Back I'm not sure × Global Support Choose your language from the list below Americas Português (do Brasil) English Canada Français Español (LAM) Middle East Africa العربية עברית Türkçe English Europe Čeština Dansk Nederlands Suomi Français Deutsch Ελληνικά Magyar Português (Europeu) Italiano Norsk Polski Română Русский Español (EMEA) Svenska Slovenčina English Asia Pacific 简体中文 繁體中文 (台灣) 繁體中文 (香港) English (Hong Kong
Error Issues written by: Donna Buenaventura•edited by: Jean Scheid•updated: 2/26/2011Most antivirus programs have improved their e-mail scanners, which means sending e-mail with e-mail protection enabled shouldn't be a problem anymore. However, if you are seeing any Norton Internet Security e-mail error messages, try the solutions
421 Message Rejected Outlook
in this article. slide 1 of 5 Antivirus E-mail Scanner Internet security suite software and 421 message rejected error advanced antivirus programs include protection to scan incoming and outgoing messages. The security software integrates an e-mail scanner component in the widely used error 421 cannot connect to smtp server POP and IMAP e-mail clients, such as Thunderbird, Outlook, Windows Mail, Outlook Express or Windows Live Mail. The option to scan incoming and outgoing e-mails can help protect the privacy of end-users from spyware and malware distributors, in addition https://support.norton.com/sp/en/us/home/current/solutions/kb20101015110602EN_EndUserProfile_en_us to blocking unsolicited e-mails, aka Spam. However, some users are receiving error codes when sending or receiving e-mails even with the antivirus email scanner enabled. If you are blaming the e-mail scanner, this should not be case since most antivirus software programs that provide e-mail protection have been improved upon. An example is when a user receives a Norton Internet Security e-mail error code or message. Below are some descriptions of error codes received by some users and http://www.brighthub.com/computing/smb-security/articles/108242.aspx how to fix them. slide 2 of 5 E-mail Time Out in Thunderbird When Using Norton E-mail Scanner If you are using Thunderbird e-mail client to send e-mails, you may see a time out error. This problem is not caused by the antivirus' e-mail scanner. Version 3 of Thunderbird has a new setting when sending e-mails. Mozilla has increased the amount of data that the e-mail program can send. To fix the problem, decrease the allowed outstanding data in Thunderbird: Open Thunderbird > Options (for Windows and Linux) or Preferences (for Mac). Click Advanced > General > Config Editor button. You'll be warned that changes are not recommended, simply click the button for "I'll be careful, I promise!" In the window where the variables are displayed, right-click (or control-click, on a Mac) to get a contextual menu. Select New > Integer in the contextual menu. Type network.tcp.sendbuffer > click OK. In the next window, type 65536 > click OK. Close any opened window and try using Thunderbird again. slide 3 of 5 Error Code 452 One of the common error codes when sending e-mail is error code 452. This error code may display any of the below error messages: Email Error: 452 Too many recipients. Email Error: 452 Insufficient Disk Space. The first problem is caused by too many recipients in the To, cc or bcc field. An example is
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