>> [..] I'm not able to bring non-plaintext
>> authentication methods working on qmails pop3 service (APOP), and on
>> dovecots imap service (CRAM-MD5).
> The only reason I can think of that CRAM-MD5 doesn't work with pop or
> imap is that clear text passwords are disabled.
> To use CRAM-MD5, you need a clear text password stored locally.
> Did you perhaps compile vpopmail with the --disable-clear-passwd flag ?
yes, i did. i tried it without this flag and it was easy to point out that you
are in right. thank you.
so i think there is no possibility to bring non-plaintext authetication
methods working afterwards, i mean for existing mailboxes, isn't it ?