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Old 29 Nov 2017, 09:27 AM   #3
The "e" in e-mail
Join Date: May 2003
Location: mostly in Thailand
Posts: 2,750
As with most services, FastMail supports 2-factor authentication only for authentication through the browser. IMAP, POP3 and SMTP do not provide features facilitating 2-factor authentication.To ameliorate the somewhat weaker security implied by password only authentication, FastMail requires you to use app/device passwords. It is recommended that a different one be used for each separate application and/or device you use to authenticate with FastMail. This allows you to rapidly block a specific app/device by removing its password, without affecting other uses of the service.
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