6-5. S/MIME Using S/MIME allows you to add a digital signature and/or encrypt an email for Scan to Email and Fax to Email. Even if an email goes through multiple email servers, you can protect the email from being falsified, intercepted, or tampered with. S/MINE will safeguard the authenticity and integrity of the message while protecting data security and enduring non-repudiation. Mail Server Mail Server Supported algorithms are as follows. Encryption Algorithm • AES-128 • AES-192 • AES-256 • 3DES Digital Signature Hash Algorithm • SHA-1 • SHA-256 • SHA-384 • SHA-512 • MD5 - 17 -