Rpost / Rmail
Security
RMail is an all-in-one extension to track opens, certify delivery, encrypt, e-sign,
and send x-large attachments using Microsoft Outlook, Office 365 Outlook Web Access,
and Gmail. RMail is an email extension for security, compliance and productivity,
providing senders with simple-to-use email open tracking, certified delivery proof,
email encryption, electronic signatures, extra-large attachment sending functionality
and more.