!3 License compliance rectification

From: @starlet-dx 
Reviewed-by: @lyn1001 
Signed-off-by: @lyn1001

perl-MailTools.spec

@@ -1,8 +1,8 @@
 Name:           perl-MailTools
 Version:        2.20
-Release:        5
+Release:        6
 Summary:        Various ancient mail-related perl modules
-License:        GPL+ and Artistic
+License:        GPL-1.0-or-later OR Artistic-1.0-Perl
 URL:            https://metacpan.org/release/MailTools
 Source0:        https://cpan.metacpan.org/authors/id/M/MA/MARKOV/MailTools-%{version}.tar.gz
 BuildArch:      noarch
@@ -59,5 +59,8 @@ make test TEST_FILES="xt/*.t"
 %{_mandir}/man3/*
 
 %changelog
+* Thu Jun 13 2024 yao_xin <yao_xin001@hoperun.com> - 2.20-6
+- License compliance rectification
+
 * Thu Dec 05 2019 liujing<liujing144@huawei.com> - 2.20-5
 - Package init