Hi All, I'm going crazy configuring a standard murder architecture with 3 different servers 1 frontend (mx1) 1 mupdate master (mupdate) 1 backend (ariel) the OS is debian etch. the imap/pop3 and lmtp connections are not working from the frontend to the backend ------- MX1 mail.log Jul 15 15:23:27 mx1 cyrus/lmtpunix[8197]: couldn't authenticate to backend server: no mechanism available Jul 15 15:26:05 mx1 cyrus/imap[8236]: couldn't authenticate to backend server: no mechanism available ------- I can connect directly to the backend with a client and I have succesfull result with imtest and lmtptest from the frontend to the backend. root@mx1:/etc# imtest -a helpdesk -u helpdesk ariel S: * OK ariel Cyrus IMAP4 v2.2.13-Debian-2.2.13-10 server ready C: C01 CAPABILITY S: * CAPABILITY IMAP4 IMAP4rev1 ACL QUOTA LITERAL+ MAILBOX-REFERRALS NAMESPACE UIDPLUS ID NO_ATOMIC_RENAME UNSELECT CHILDREN MULTIAPPEND BINARY SORT THREAD=ORDEREDSUBJECT THREAD=REFERENCES ANNOTATEMORE IDLE MUPDATE=mupdate://mupdate/ S: C01 OK Completed Please enter your password: C: L01 LOGIN helpdesk {8} S: + go ahead C: <omitted> S: L01 OK User logged in Authenticated. Security strength factor: 0 C: Q01 LOGOUT Connection closed. root@mx1:/etc# lmtptest -a murder -u murder ariel S: 220 ariel LMTP Cyrus v2.2.13-Debian-2.2.13-10 ready C: LHLO example.com S: 250-ariel S: 250-8BITMIME S: 250-ENHANCEDSTATUSCODES S: 250-PIPELINING S: 250-SIZE S: 250-AUTH PLAIN S: 250 IGNOREQUOTA Please enter your password: C: AUTH PLAIN bXVyZGVyAG11cmRlcgBzM3JnMTA= S: 235 Authenticated! Authenticated. Security strength factor: 0 C: QUIT Connection closed. What's wrong with my config? mx1 cyrus.conf ----------- START { recover cmd="/usr/sbin/ctl_cyrusdb -r" delprune cmd="/usr/sbin/cyr_expire -E 3" tlsprune cmd="/usr/sbin/tls_prune" } SERVICES { sieve cmd="timsieved" listen="localhost:sieve" prefork=0 maxchild=100 notify cmd="notifyd" listen="/var/run/cyrus/socket/notify" proto="udp" prefork=1 mupdate cmd="mupdate" listen=3905 prefork=1 imap cmd="proxyd" listen="imap" prefork=0 maxchild=100 pop3 cmd="pop3proxyd" listen="pop3" prefork=0 maxchild=50 lmtpunix cmd="lmtpproxyd" listen="/var/run/cyrus/socket/lmtp" prefork=1 maxchild=20 } EVENTS { checkpoint cmd="/usr/sbin/ctl_cyrusdb -c" period=30 delprune cmd="/usr/sbin/cyr_expire -E 3" at=0401 tlsprune cmd="/usr/sbin/tls_prune" at=0401 } ------------- mx1 imapd.conf ------------- configdirectory: /var/lib/cyrus defaultpartition: default partition-default: /var/spool/cyrus/mail altnamespace: no unixhierarchysep: no lmtp_downcase_rcpt: yes admins: cyrus murder lmtp_admins: murder mupdate_server: mupdate mupdate_port: 3905 mupdate_authname: murder mupdate_username: murder mupdate_password: xxxx mupdate_retry_delay: 10 proxy_authname: murder ariel_password: xxxx allowanonymouslogin: no popminpoll: 1 autocreatequota: 0 umask: 077 sieveusehomedir: false sievedir: /var/spool/sieve hashimapspool: true allowplaintext: yes sasl_pwcheck_method: saslauthd sasl_mech_list: PLAIN sasl_minimum_layer: 0 sasl_auto_transition: no tls_ca_path: /etc/ssl/certs tls_session_timeout: 1440 tls_cipher_list: TLSv1+HIGH:!aNULL:@STRENGTH lmtpsocket: /var/run/cyrus/socket/lmtp idlemethod: poll idlesocket: /var/run/cyrus/socket/idle notifysocket: /var/run/cyrus/socket/notify syslog_prefix: cyrus ------------------ Hope you can point me in the right way. Regards Maurizio ---- Cyrus Home Page: http://cyrusimap.web.cmu.edu/ Cyrus Wiki/FAQ: http://cyrusimap.web.cmu.edu/twiki List Archives/Info: http://asg.web.cmu.edu/cyrus/mailing-list.html