DroppedKeywords: version 2.4.2: alpha, s390
  RedirectedUrl: version 2.4.2: HOMEPAGE: permanently redirected: https://www.dovecot.org/ -> https://dovecot.org/
  RedirectedUrl: version 2.4.2: SRC_URI: permanently redirected: https://www.dovecot.org/releases/2.4/dovecot-2.4.2.tar.gz -> https://dovecot.org/releases/2.4/dovecot-2.4.2.tar.gz