IMAP or POP can choose between in free my-domain Mail accounts

IMAP or POP can choose between in free my-domain Mail accounts

  1. IMAP or POP can choose between in free my-domain Mail accounts?
  2. May access such accounts from my IPAD 3.2 or windows mobile 5.1 or Android 3?
  3. May send PGP Encrypted messages by anyway in free my-domain Mail accounts?