Go to your phone's settings and select "Accounts."
Then choose to add an IMAP account.
Enter your email address.
Now enter your password for the email account.
Username: [email protected]
Password: Your password for the email account
IMAP server: filters.reliablemail.org
Security type: SSL/TLS (Accept all certificates) or None
Port: 993. If no security is chosen as the security type, use port 143.
The fields for Outgoing Mail should also be filled in as follows:
SMTP Server: filters.reliablemail.org
Port: 587. If no security is chosen as the security type, use port 465.
Check the option for "Require sign-in."
Security type: SSL/TLS
Username: [email protected]
Password: Your password for the email account
Done. Now you can also adjust other settings such as sync frequency, notifications, and similar. However, you can leave them at their default options.