To configure IMAP in mobile:
 

Add WorldPosta IMAP email account to an Android Phone:

1. from your settings menu on your device, search for Accounts.

2. Tab on Add Account, search for Mail.

3. Tap (IMAP/POP) and then Next.

4. Enter your full email password.

When you’re asked for configuration values, use the following:

IMAP Server:
Incoming Server Name: imap.worldposta.com
Port: 993
Require SSL: (SSL/TLS)
Authentication: yes
Username: [[email protected]]
Password: Enter your password

Outgoing Server Name: imap.worldposta.com
Port: 465
Require SSL: Yes (SSL/TLS)
Authentication: yes
Username: [[email protected]]
Password: Enter your password

Username: Enter your full email address
Password: Enter the password for your email account
Server: imap.worldposta.com

Port and Security Type IMAP, choose:

Secure
Port: 993 
Security Type: SSL/TLS (Accept all certificates)

5. When you finish, tap Next.

Outgoing Server Settings:

Username: Enter your full email address
Password: Enter the password for your email account
Server: imap.worldposta.com

For SMTP Port and Security Type, choose:

Secure
Port: 465
Security Type: SSL/TLS (Accept all certificates)

When you finish, tap Next.