Outlook Pop3 Certificate Error
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Warning" dialog box with the message; The server you are connected to is using a security certificate that cannot be verified. The target principal name is incorrect. I clicked on "View Certificate" and installed the internet security warning outlook 2010 certificate, but I still get this dialog each time I start Outlook. Clicking "Yes" outlook security alert certificate keeps popping up each time allows me to use Outlook as normal but how can get rid of this dialog? Usually you get
Outlook The Name On The Security Certificate Is Invalid
this error when you are using a shared hosting account with your own domain and connect via SSL. Another common cause is that your ISP has changed the name of their mail server http://answers.microsoft.com/en-us/msoffice/forum/msoffice_outlook-mso_winother/outlook-pop3-certificate-message-security/fbec853a-f8ac-41be-9af0-5e22d68675aa and is redirecting you from the old server name to the new one and the name of the old server isn’t on their new SSL certificate. Looking at the certificate usually provides the answer. Name on the certificate should match the name of the mail server The solution is quite simple; click on the “View Certificate…” button and look at the “Issued to” name. This is usually the https://www.msoutlook.info/question/613 name that you’ll need to specify for your incoming and/or outgoing server in your account configuration. In some cases, this still won’t work when the certificate holds multiple names. You can then select the “Details” tab and see if the certificate holds a field called “Subject Alternative Name”. If so, then you’ll find other names that you could try behind the “DNS Name=” value. If none of those names work either, contact your ISP and ask for the correct name of the mail server that you should use. Another (less secure) alternative would be to disable the use of SSL for your mail account. No need to install the certificate As long as the name on the certificate doesn’t match the name specified in your account settings, you’ll get this warning message. Installing the certificate will not help in any way and isn’t needed either. The only case in which installing the certificate is needed, is when the names do match and the certificate isn’t issued (trusted) by a Certificate Authority. These are so called “Self-Signed Certificates”. In that case, only install the certificate if you trust the domain that is specified on the certificate and if the administrator responsibl
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 http://serverfault.com/questions/151768/silent-outlook-popups-regarding-self-signed-certificate-when-connecting-to-pop3 developers or posting ads with us Server Fault Questions Tags Users Badges Unanswered Ask Question http://blog.sevencreative.co.uk/index.php/2012/11/27/outlook-certificate-security-warning/ _ 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 Silent Outlook popups regarding self-signed certificate when connecting to pop3-ssl server up vote 1 down vote favorite When internet security MS Outlook (2003/2007/2010) connect to pop3-ssl server and the server certificate is selfsigned it opens a dialog whether or not user wants to accept it. Is it possible to suppress this message like it is with Thunderbird? outlook ssl-certificate pop3 share|improve this question asked Jun 16 '10 at 16:08 moo 1688 add a comment| 2 Answers 2 active oldest votes up vote 1 down vote That opens the dialog because it wants to make the user aware that it is internet security warning accepting a self-signed certificate. Typically if you're using a self-signed certificate in the environment it's important to allow the user to verify it. That aside -- if you do not have a domain, you can do it manually you'll just have to install the certificate when the pop up appears. You should be able to click 'more details' and then 'Install Certificate'. share|improve this answer answered Jan 26 '12 at 15:16 Ethabelle 1,809619 add a comment| up vote 0 down vote Add the certificate to the computer's certificate store. If your computers are in the domain you should be able to do this by group policy. share|improve this answer edited Jan 26 '12 at 15:24 Skyhawk 12.9k33784 answered Jun 28 '10 at 3:45 Zoredache 94.9k22184318 add a comment| Your Answer draft saved draft discarded Sign up or log in Sign up using Google Sign up using Facebook Sign up using Email and Password Post as a guest Name Email Post as a guest Name Email discard By posting your answer, you agree to the privacy policy and terms of service. Not the answer you're looking for? Browse other questions tagged outlook ssl-certificate pop3 or ask your own question. asked 6 years ago viewed 1744 times active 4 years ago Related 2Problems with self-signed SSL certificate for SSTP in Windows Server Foundation 20080Apache SSL - self signed certificate1Exchange 2010 can't find SSL certificate that exists2Exchange & self
try to collect your email, read below for a couple of possible solutions to the problem: "The server you are connected to is using a security certificate that cannot be verified. The target principal name is incorrect""The target principle name is incorrect""Do you want to continue using this server?" The cause of the problem This problem is caused when the POP3 address (email collection) doesn't match the SSL certificate that is being used. The solution to the problem Solution 1 means turning off the SSL encryption requirement, however, many SMTP servers require this SSL setting to successfully send your email so this may not be an option. Also, not using an encrypted connection may leave your correspondence vulnerable. If you're unsure, get professional support. However, if you try this option as you can always change the setting back again afterwards: Open Outlook Click ‘Tools' from the top menu Select ‘account settings' from the ‘tools' menu Highlight the email account you are having trouble with and press ‘Change' From the ‘Change e-mail account' page click on ‘More settings' From the ‘Internet email settings' page choose the ‘advanced' tab Un-tick the ‘This server requires authentication' option click ‘OK', then ‘next' then ‘Finish' To undo the changes, follow the above instructions again Turn off SSL Solution 2 means changing the POP3 (or IMAP) collection address to match the certificate. If you're not able to contact your ISP to get the correct settings you may be able to guess the right address: Open Outlook When the error message appears (as shown at the top of the page) take the name of the certificate from the error massage by selecting ‘view certificate', for example, in this instance it's ‘*.hosts.co.uk' close the error dialogue box Click ‘Tools' from the top Outlook menu Select ‘account settings' from the ‘tools' menu Highlight the email account you are having trouble with and press ‘Change' From the ‘Change e-mail account' page, change the ‘incoming mail server' address to match the certificate domain, e.g. if the address in this box is something along the lines of ‘pop3.yourdomain.com' and the certificate addr