[Checkins] [zopefoundation/Products.MailHost] b4fa58: - prepare release 2.13.4

[Jens Vagelpohl]

  Branch: refs/heads/2.13
  Home:   https://github.com/zopefoundation/Products.MailHost
  Commit: b4fa58d4f7b88af4e366809f629285c1300f9303
      https://github.com/zopefoundation/Products.MailHost/commit/b4fa58d4f7b88af4e366809f629285c1300f9303
  Author: Jens Vagelpohl <jens at netz.ooo>
  Date:   2019-06-03 (Mon, 03 Jun 2019)

  Changed paths:
    M CHANGES.txt
    M setup.py

  Log Message:
  -----------
  - prepare release 2.13.4