Here is a step-by-step guide to help you configure Plesk mail in Android.
Open the Gmail app, go to ‘Settings’ and tap ‘Add account’.
Select ‘Personal (IMAP/POP)’.
Insert email address and select ‘Manual setup’.
Select Personal (IMAP) or Personal (POP3) according to your preference.
Enter your password.
On the incoming settings screen select authentication ‘SSL/TLS (Accept all certificates)’.
The incoming server settings will be validated.
On the outgoing server settings screen select authentication ‘SSL/TLS (Accept all certificates)’.
Select the prefered synchronization options.
Tap your ‘Inbox’ to start reading and writing emails.