in what File I must change the Authentication?
It says: no mechanism available in /var/www/webdata/mail.domain.de/htdocs/program/lib/Roundcube/rcube_imap.php on line 184 (POST /?_task=login&_action=login)
But I change in the main.inc.php this variables:
$rcmail_config['imap_auth_type'] = 'CRAM-MD5';
$rcmail_config['smtp_auth_type'] = 'CRAM-MD5';
here the imap log
[24-Jul-2013 18:02:13 +0200]: [AD65] S: * OK evolutio Cyrus IMAP4 v2.2.13-Debian-2.2.13-19+squeeze3 server ready
[24-Jul-2013 18:02:13 +0200]: [AD65] C: A0001 CAPABILITY
[24-Jul-2013 18:02:13 +0200]: [AD65] S: * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ NAMESPACE UIDPLUS ID NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND BINARY SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES ANNOTATEMORE IDLE STARTTLS
[24-Jul-2013 18:02:13 +0200]: [AD65] S: A0001 OK Completed
[24-Jul-2013 18:02:13 +0200]: [AD65] C: A0002 STARTTLS
[24-Jul-2013 18:02:13 +0200]: [AD65] S: A0002 OK Begin TLS negotiation now
[24-Jul-2013 18:02:13 +0200]: [AD65] C: A0003 CAPABILITY
[24-Jul-2013 18:02:13 +0200]: [AD65] S: * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ NAMESPACE UIDPLUS ID NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND BINARY SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES ANNOTATEMORE IDLE AUTH=PLAIN SASL-IR
[24-Jul-2013 18:02:13 +0200]: [AD65] S: A0003 OK Completed
[24-Jul-2013 18:02:13 +0200]: [AD65] C: A0004 ID ("name" "Roundcube" "version" "0.9.2" "php" "5.3.3-7+squeeze16" "os" "Linux" "command" "/")
[24-Jul-2013 18:02:13 +0200]: [AD65] S: * ID ("name" "Cyrus IMAPD" "version" "v2.2.13-Debian-2.2.13-19+squeeze3 2006/12/19 19:32:59" "vendor" "Project Cyrus" "support-url" "http://asg.web.cmu.edu/cyrus" "os" "Linux" "os-version" "2.6.32-16-pve" "environment" "Built w/Cyrus SASL 2.1.23; Running w/Cyrus SASL 2.1.23; Built w/Berkeley DB 4.7.25: (May 15, 2008); Running w/Berkeley DB 4.7.25: (May 15, 2008); Built w/OpenSSL 0.9.8o 01 Jun 2010; Running w/OpenSSL 0.9.8o 01 Jun 2010; CMU Sieve 2.2; TCP Wrappers; NET-SNMP; mmap = shared; lock = fcntl; nonblock = fcntl; idle = poll")
[24-Jul-2013 18:02:13 +0200]: [AD65] S: A0004 OK Completed
[24-Jul-2013 18:02:13 +0200]: [AD65] C: A0005 AUTHENTICATE CRAM-MD5
[24-Jul-2013 18:02:16 +0200]: [AD65] S: A0005 NO no mechanism available