FreeKB - Mozilla Thunderbird SMTPS
Mozilla Thunderbird - SMTPS

Configure Thunderbird to use port 587 and STARTTLS:

  1. In the left pane of Thunderbird, highlight your email address.
  2. Select View settings for this account.
  3. In the left panel, select Outgoing Server (SMTP).
  4. Highlight your email address and select Edit.
  5. Ensure you have the following settings:
    • Port = 587
    • Connection security = STARTTLS
    • Authentication method = Normal password
    • User Name = your username


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