application/x-pkcs7-certificates

This type has been deprecated in favor of one of it's alternatives. While you should likely still support it, it should not be your first choice if assigning a MIME type.

Instead please use application/pkcs7-mime


Used in file types

  • .p7c
  • .p7m

This type may also appear as

Further reading

  1. IETF - Internet Engineering Task Force (RFC 5273)

  2. PKI Tutorial