Click Other Mail Account and Continue.
Enter your name, email address and password that was provided and click Sign In.
Enter your Email Address and User Name(full email address) and your Password.
Select IMAP next to Account Type.
Enter imap.tigreapps.com for the Incoming Mail Server.
Enter smtp.tigreapps.com for the Outgoing Mail Server.
Click Sign In.
Check the apps that you want to use with this mail account and click Done.