[tw]
    2.2.1-1
    - new version 2.2.1
    - allow to start postfix without alias_database (#149657)
    2.2.0-1
    - new version 2.2.0
    - cleanup of spec file: removed external TLS and IPV6 patches, removed
        smtp_sasl_proto patch
    - dropped samples directory till there are good examples again (was TLS and
        IPV6)
    - v2.2.0 fixes code problems: #132798 and #137858