Can't send? a.Remove any queued messages in Outlook's outbound queue. b.Check My Server Requires Authentication in Tools/Accounts/Mail/Properties/Servers.
Still Can't send?? a. An SMTP connection to our smtp mailservers on the port 366 instead of port 25. b. 2nd Persona in Outlook? Remove primary account. c. Review server settings in Tools Accounts window.
I have trouble receiving email, they get stuck. a. Login to the browser based webmail access for your account. b. Login to the browser based advanced webmail access for your account. c. Login to the browser based admin access to your accounts.
POP3 Storage - Storing messages in POP3 mode on the server to share between multiple workstations will work, but only if the server maintained inbox is kept relatively small.
IMAP Outlook - How can I convert users mailboxes from POP3 to IMAP or Outlook Connector and ensure all old email exists in the new IMAP or Outlook Connector account?