Yes. The process uses OAuth.
Give Account Access:
To configure Reftab to send email from a GMail account, click “Settings” > “Email Settings / Logs” > “Edit SMTP Settings” > “Sign in With Google“
IMPORTANT NOTICE: Be sure to click “Send email on your behalf.” This process will not work unless this is checked.
Disconnect Account Access:
Log into Reftab.
Click, “Settings” > “Email Settings / Logs” > “Edit SMTP Settings” > “Disconnect“
If the above process does not work, you can disconnect from within Gmail:
Log into your GMail Account.
Click your accout icon in upper right corner and click, “Manage your Google Account“
Next, click “Security” tab on left.
Next, click “Manage third-party access“
Find Reftab under Apps with Account Access and click “Remove Access“
Click, “ok“
