SpamAssassin Rule: MIME_BAD_ISO_CHARSET
Standard description: MIME character set is an unknown ISO charset
The charset attribute of the MIME Content-Type: header is checked. A flag is raised if it is an ISO character set not recognised by the test.
The default scores for this rule can be found in the online list of tests.
This rule checks the value of "mime_bad_iso_charset" set by MIMEEval.pm .
MIME headers are defined in RFC 2045
Valid charsets are registered with IANA.