Outlook is trying to use SSL.
Go to 'Tools' -> 'Accounts...' -> 'Mail' -> 'Properties' -> 'Advanced'. Uncheck the option to use Secure(SSL).
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Outlook is trying to use SSL.
Go to 'Tools' -> 'Accounts...' -> 'Mail' -> 'Properties' -> 'Advanced'. Uncheck the option to use Secure(SSL).
We are currently running a custom version of sendmail. /usr/sbin/sendmail
Yes, port 587 is available for SMTP sending with or without TLS/SSL.
There are many reasons for the above error. Make sure you are using username@yourdomain.com...
Outlook Express is setup to use Secure Password Authentication. Go to 'Tools' -> 'Accounts...'...
When you attempt to send and receive messages, the operation is unsuccessful, and you may...
