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What does S/MIME stand for?

S/MIME stands for Secure/Multipurpose Internet Mail Extensions (IETF)

This definition appears very frequently and is found in the following Acronym Finder categories:

  • Information technology (IT) and computers

Samples in periodicals archive:

com" e-mail address and up to 1 GB encrypted mailbox space * Plug-and-play setup with any e-mail client supporting SMTP, POP3 or IMAP * Interoperability with other encrypted e-mail users' systems based on Silent Mail or other solutions * Encryption protection provided by PGP Universal * Flexible encryption options: Users can manage their own PGP keys or Secure/Multipurpose Internet Mail Extensions (S/MIME) certificates for maximum e-mail security, or choose the convenience of having Silent Circle provide and manage mail encryption keys on the company's servers "Using encrypted e-mail has historically been complex and cumbersome for users outside of large enterprises with dedicated IT staffs and their own encryption servers.
The specification -- Secure/Multipurpose Internet Mail Extensions (S/MIME) -- will allow vendors to independently develop interoperable RSA-based security for their various e-mail platforms, so that an S/MIME message composed and encrypted on one vendor's application can be decrypted on another.