The MIME specifications specify that the proper method for encoding Content-Type and
Content-Disposition parameter values is the method described in
rfc2231. However, it is common for
some older email clients to improperly encode using the method described in
rfc2047 instead.
The MIME specifications specify that the proper method for encoding Content-Type and Content-Disposition parameter values is the method described in rfc2231. However, it is common for some older email clients to improperly encode using the method described in rfc2047 instead.