Bug#776094: dovecot-imapd: corrupts mailbox after trying to retrieve it (fwd)

[Santiago Vila]

For reference, this is the "dovecot -n" output matching the previous
debug output:

# 2.2.16: /etc/dovecot/dovecot.conf
# OS: Linux 3.16.0-4-amd64 x86_64 Debian stretch/sid 
mail_debug = yes
mail_location = mbox:~/mail:INBOX=/var/mail/%u
mail_plugins = mail_log notify
namespace inbox {
  inbox = yes
  location = 
  mailbox Drafts {
    special_use = \Drafts
  }
  mailbox Junk {
    special_use = \Junk
  }
  mailbox Sent {
    special_use = \Sent
  }
  mailbox "Sent Messages" {
    special_use = \Sent
  }
  mailbox Trash {
    special_use = \Trash
  }
  prefix = 
}
passdb {
  driver = pam
}
plugin {
  mail_log_events = delete undelete expunge copy mailbox_delete mailbox_rename
  mail_log_fields = uid box msgid size
}
protocols = " imap"
ssl = no
userdb {
  driver = passwd
}