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- Inbound mail: Get recipient from env variable set by MTA, not from To header.
This allows for mails with multiple recipients in the To header, and the
Plone destination address doesn't need to be listed first anymore.
Issue 1312 Fehler E-Mail mit mehreren Adressaten
https://extranet.4teamwork.ch/projects/opengever-kanton-zug/sprint-backlog/1312/
[lgraf]
- Make intids work in tests (register IIntIds utility explicitely)
[lgraf]