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
- application/x-pkcs7-certreqresp
- application/pkcs7-mime