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By d2FsdA==
#94878 Gmail is now requiring 2 factor and a unique app password. How can I get that to work with my 8266 sketch. If I enter the unique password into the sketch it won't connect to gmail.
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By Sirquil
#94884 I used xreef's EmailSender library in my Sump_Sender.ino project; that uses Google's two factor authentication and application password.

Sump_Sender.ino project

Recommend setting up a separate Google account for your project; keep it separate from you Gmail email account.

Google article about application password