ARC: fix signing when DKIM-signing is also being done

[exim.git] / test / log / 3450

******** SERVER ********
1999-03-02 09:44:33 exim x.yz daemon started: pid=pppp, no queue runs, listening for SMTP on port 1225
1999-03-02 09:44:33 H=(foobar) [127.0.0.1] rejected AUTH plain AHVzZXJ4AHNlY3JldA==: STARTTLS required before AUTH