How-to enable SSL in Outlook 2016, 2013 and 2010?

This article tells you how to enable SSL encryption for SSL POP3, SSL IMAP and SSL SMTP in Outlook 2016, 2010 and 2007.

  1. Open Outlook
  2. Click File > Account Settings > Account Settings…
  3. Select your email account and click Change…
  4. Change the following settings:
    Incoming mail server:  
      Enter mail.example.com, replacing example.com with your domain name.  
    Outgoing mail server (SMTP):
      Enter mail.example.com, replacing example.com with your domain name.
  5. Click More Settings …
  6. Click the Advanced tab.
  7. Change the following settings:
    IMAP accounts
    Incoming Server (IMAP) – Use the following type of encrypted connection:
      Select SSL
    Outgoing Server (SMTP) – Use the following type of encrypted connection:  
      Select SSL
    POP3 accounts
    Incoming Server (POP3) – This server requires an encrypted connection (SSL):

      Checked
    Outgoing Server (SMTP) – Use the following type of encrypted connection:  
      Select SSL
  8. Click OK
  9. Click Next
  10. Click Finish

 

Our SSL ports are as follows:

  • 465 - SMTP (SSL)
  • 995 - POP3 (SSL)
  • 993 - IMAP (SSL)
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