When setting a

CONTROL directory that does not exists (has to be created by dovecot upon first login)

AND

INDEX=MEMORY

Dovecot POP3 will fail upon first login with 'Couldn't init INBOX: Internal error occurred. Refer to server log for more information.'

Temporary fix seems to work fine patching dovecot-1.1.16/src/lib-storage/index/maildir/maildir-util.c

98a99

unsigned int k = 0;

105c106,109

< dirs[i++] = mail_storage_get_mailbox_index_dir(box->storage,

/* Only create index folders if index is not MEMORY */

if(!mail_index_is_in_memory(mbox->ibox.index))

dirs[i++] = mail_storage_get_mailbox_index_dir(box->storage,

107c111,113

< i_assert(i == N_ELEMENTS(dirs));

else k++;

i_assert(i == N_ELEMENTS(dirs)-k);

Tested only on dovecot 1.1.16

Regards,

Joel A. Chornik

ELSERVER.COM