Searching for Yahoo Mail Server Does Not Support Secure Connections information? Find all needed info by using official links provided below.
https://stackoverflow.com/questions/8412514/server-does-not-support-secure-connections
Your server does not support SSL on the default port; Most won't. When you set SSL off, you get the message, "The SMTP server requires a secure connection or the client was not authenticated. The server response was: 5.7.1 Client was not authenticated". That tells you that you are not authenticated.
https://support.mozilla.org/en-US/questions/1096964
The green lock changes to a grey with yellow lock symbol as soon as I open an email. It reports that: The website contains content that is not secure. I can view yahoo mail website on IE without problems, but equally so, I have zero problems with any other HTTPS site when viewed via firefox.
https://www.codeproject.com/questions/702028/server-does-not-support-secure-connections
while giving gmail mail id and gmail smtp its working but when using rediffmail and smtp its getting message like Server does not support secure connections.
https://answers.microsoft.com/en-us/msoffice/forum/msoffice_outlook-mso_other-mso_o365b/systemnetmailsmtpexception-server-does-not-support/f37f652a-0a20-4ca8-b513-2212236f84f7
Dec 14, 2017 · System.Net.Mail.SmtpException: Server does not support secure connections Hi, I've a service running that sends email using office 365 smtp account and the service is running in a server in our domain.
https://forums.asp.net/t/1091403.aspx?+Server+does+not+support+secure+connections+error+with+SMTP+mail+and+SSL
Mar 26, 2007 · Are you running the IIS built-in SMTP-server or Exchange (or other external smpt-server)? Reason for the question is that I'm not quite sure how IIS does with the SMTP-server that's builtin when you install a server certificate for the Web server.
https://stackoverflow.com/questions/9319696/server-does-not-support-secure-connection
Jul 20, 2015 · And the exception is Server does not support secure connections. Description: An unhandled exception occurred during the execution of the current web request. Please review the stack trace for more information about the error and where it originated in the code.
https://forums.asp.net/t/1658147.aspx?How+do+i+resolve+Server+does+not+support+secure+connections+exception+
May 25, 2011 · How do i resolve Server does not support secure connections exception? Feb 28, 2011 09:55 AM ravikirantummala2000 LINK. ... Server does not support secure connections. at System.Net.Mail.SmtpConnection.GetConnection(String host, Int32 port) at System.Net.Mail.SmtpTransport.GetConnection(String host, Int32 port) at System.Net.Mail…
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https://answers.yahoo.com/question/index?qid=20080420231347AAAWAcN
Apr 20, 2008 · chaitanya p asked in Yahoo Products Yahoo Mail Sending and Receiving Messages · 1 decade ago The server does not support a SSL connection. Account: 'localhost', Server: 'smtp.mail.yahoo.com', Protocol: S
http://www.nullskull.com/q/10333090/server-does-not-support-secure-connectionc-windows-form.aspx
</system.net> One more thing need to check The firewall on the server your code is running on could be blocking traffic on TCP port 587. It is also possible that it is being blocked in the network infrastructure between your server and the Internet.
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