I am unable Add SMTP mail server due to my gmail account settings.
please help me with the settings to do in Gmail
https://confluence.atlassian.com/adminjiraserver/configuring-an-smtp-mail-server-to-send-notifications-947184044.html covers it.
If you want help from us, you will need to explain more though - "unable to add" - what are the symptoms and what do you think the "gmail account settings" are doing?
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