> What about just: > > imaptest clients=10 user=user1 pass=test no_tracking logout=0 copybox=Copies
No crashes this way. It seems to need the different users. > This is with v2.0.3 release, not hg? Correct, 2.0.3 plus your asserts from this thread. > --enable-devel-checks Doh, that's what I meant to use instead of maintainer-mode. But it makes no difference, except being more verbose.