Aspose.Email Java. Mail, MIME and iCalander SDK for Java To send & receive Thunderbird & Outlook emails. API works with SMTP server POP3 IMAP clients Email API...convert message formats such as MSG, EML, MBOX, PST, OST & MHT from...formats . Microsoft Outlook: MSG, PST, OST, OFT EML, EMLX, MBOX...