我试图使用赛勒斯谋杀，我一直在修复一些错误，但现在我试图从雷鸟访问时发现这一点：
“收件箱”上的当前操作没有成功。 用于帐户[email protected]的邮件服务器响应：服务器无法完成操作。
我有一个后端和一个也是mupdate的前端。
查看日志（/ var / log / maillog），在前端服务器中看到以下错误：
imap [2099]：无法对后端服务器进行身份validation：没有可用的机制
这是前端服务器（/ var / log / maillog）中的完整日志：
Aug 27 14:55:26 frontendlinux mupdate[2098]: login: frontendlinux.ejemplo.org [169.254.220.13] murder PLAIN User logged in Aug 27 14:55:26 frontendlinux mupdate[2098]: login: frontendlinux.ejemplo.org [169.254.220.13] murder PLAIN User logged in Aug 27 14:56:26 frontendlinux mupdate[2101]: Thread timed out waiting for listener_lock Aug 27 14:56:26 frontendlinux mupdate[2101]: Worker thread finished, for a total of 4 (4 spare) Aug 27 14:56:26 frontendlinux mupdate[2101]: Thread timed out waiting for listener_lock Aug 27 14:56:26 frontendlinux mupdate[2101]: Worker thread finished, for a total of 3 (3 spare) Aug 27 14:56:26 frontendlinux mupdate[2101]: Thread timed out waiting for listener_lock Aug 27 14:56:26 frontendlinux mupdate[2101]: Worker thread finished, for a total of 2 (2 spare) Aug 27 14:56:26 frontendlinux mupdate[2098]: Thread timed out waiting for listener_lock Aug 27 14:56:26 frontendlinux mupdate[2098]: Worker thread finished, for a total of 4 (4 spare) Aug 27 14:56:26 frontendlinux mupdate[2098]: Thread timed out waiting for listener_lock Aug 27 14:56:26 frontendlinux mupdate[2098]: Worker thread finished, for a total of 3 (3 spare) Aug 27 14:56:26 frontendlinux mupdate[2098]: Thread timed out waiting for listener_lock Aug 27 14:56:26 frontendlinux mupdate[2098]: Worker thread finished, for a total of 2 (2 spare) Aug 27 14:59:13 frontendlinux imap[2099]: accepted connection Aug 27 14:59:13 frontendlinux master[2198]: about to exec /usr/lib/cyrus-imapd/proxyd Aug 27 14:59:13 frontendlinux imap[2198]: executed Aug 27 14:59:34 frontendlinux imap[2099]: login: frontendlinux.ejemplo.org [169.254.220.13] peter plain User logged in Aug 27 14:59:34 frontendlinux imap[2099]: created decompress buffer of 4102 bytes Aug 27 14:59:34 frontendlinux imap[2099]: created compress buffer of 4102 bytes Aug 27 14:59:34 frontendlinux imap[2099]: client id: "name" "Thunderbird" "version" "17.0.8" Aug 27 14:59:34 frontendlinux imap[2099]: couldn't authenticate to backend server: no mechanism available Aug 27 14:59:34 frontendlinux imap[2099]: couldn't authenticate to backend server: no mechanism available Aug 27 14:59:34 frontendlinux imap[2099]: couldn't authenticate to backend server: no mechanism available Aug 27 14:59:34 frontendlinux imap[2099]: couldn't authenticate to backend server: no mechanism available Aug 27 14:59:35 frontendlinux imap[2099]: couldn't authenticate to backend server: no mechanism available Aug 27 15:08:47 frontendlinux imap[2116]: accepted connection Aug 27 15:08:47 frontendlinux master[2258]: about to exec /usr/lib/cyrus-imapd/proxyd Aug 27 15:08:47 frontendlinux imap[2258]: executed Aug 27 15:08:47 frontendlinux imap[2116]: login: frontendlinux.ejemplo.org [169.254.220.13] peter plain User logged in Aug 27 15:08:47 frontendlinux imap[2116]: created decompress buffer of 4102 bytes Aug 27 15:08:47 frontendlinux imap[2116]: created compress buffer of 4102 bytes Aug 27 15:08:47 frontendlinux imap[2116]: client id: "name" "Thunderbird" "version" "17.0.8" Aug 27 15:08:47 frontendlinux imap[2116]: couldn't authenticate to backend server: no mechanism available Aug 27 15:18:48 frontendlinux imap[2119]: accepted connection Aug 27 15:18:48 frontendlinux master[2268]: about to exec /usr/lib/cyrus-imapd/proxyd Aug 27 15:18:48 frontendlinux imap[2268]: executed Aug 27 15:18:48 frontendlinux imap[2119]: login: frontendlinux.ejemplo.org [169.254.220.13] peter plain User logged in Aug 27 15:18:48 frontendlinux imap[2119]: created decompress buffer of 4102 bytes Aug 27 15:18:48 frontendlinux imap[2119]: created compress buffer of 4102 bytes Aug 27 15:18:48 frontendlinux imap[2119]: client id: "name" "Thunderbird" "version" "17.0.8" Aug 27 15:18:48 frontendlinux imap[2119]: couldn't authenticate to backend server: no mechanism available Aug 27 15:25:25 frontendlinux master[2270]: about to exec /usr/lib/cyrus-imapd/ctl_cyrusdb Aug 27 15:25:25 frontendlinux ctl_cyrusdb[2270]: checkpointing cyrus databases Aug 27 15:25:25 frontendlinux ctl_cyrusdb[2270]: archiving log file: /var/lib/imap/db/log.0000000001 Aug 27 15:25:25 frontendlinux ctl_cyrusdb[2270]: archiving log file: /var/lib/imap/db/log.0000000001 Aug 27 15:25:25 frontendlinux ctl_cyrusdb[2270]: archiving log file: /var/lib/imap/db/log.0000000001 Aug 27 15:25:25 frontendlinux ctl_cyrusdb[2270]: archiving database file: /var/lib/imap/annotations.db Aug 27 15:25:25 frontendlinux ctl_cyrusdb[2270]: archiving database file: /var/lib/imap/mailboxes.db Aug 27 15:25:25 frontendlinux ctl_cyrusdb[2270]: archiving log file: /var/lib/imap/db/log.0000000001 Aug 27 15:25:25 frontendlinux ctl_cyrusdb[2270]: done checkpointing cyrus databases Aug 27 15:25:25 frontendlinux master[2077]: process 2270 exited, status 0 Aug 27 15:28:17 frontendlinux imap[2118]: accepted connection Aug 27 15:28:17 frontendlinux imap[2118]: login: frontendlinux.ejemplo.org [169.254.220.13] peter plain User logged in Aug 27 15:28:17 frontendlinux imap[2118]: created decompress buffer of 4102 bytes Aug 27 15:28:17 frontendlinux imap[2118]: created compress buffer of 4102 bytes Aug 27 15:28:17 frontendlinux imap[2118]: client id: "name" "Thunderbird" "version" "17.0.8" Aug 27 15:28:17 frontendlinux imap[2118]: couldn't authenticate to backend server: no mechanism available Aug 27 15:29:59 frontendlinux master[2077]: process 2099 exited, status 0 Aug 27 15:29:59 frontendlinux master[2282]: about to exec /usr/lib/cyrus-imapd/proxyd Aug 27 15:29:59 frontendlinux imap[2282]: executed Aug 27 15:38:03 frontendlinux imap[2120]: accepted connection Aug 27 15:38:03 frontendlinux imap[2120]: login: frontendlinux.ejemplo.org [169.254.220.13] peter plain User logged in Aug 27 15:38:03 frontendlinux imap[2120]: created decompress buffer of 4102 bytes Aug 27 15:38:03 frontendlinux imap[2120]: created compress buffer of 4102 bytes Aug 27 15:38:03 frontendlinux imap[2120]: client id: "name" "Thunderbird" "version" "17.0.8" Aug 27 15:38:03 frontendlinux imap[2120]: couldn't authenticate to backend server: no mechanism available Aug 27 15:38:38 frontendlinux imap[2120]: couldn't authenticate to backend server: no mechanism available Aug 27 15:39:46 frontendlinux master[2077]: process 2116 exited, status 0 Aug 27 15:39:46 frontendlinux master[2296]: about to exec /usr/lib/cyrus-imapd/proxyd Aug 27 15:39:46 frontendlinux imap[2296]: executed Aug 27 15:48:02 frontendlinux imap[2198]: accepted connection Aug 27 15:48:02 frontendlinux imap[2198]: login: frontendlinux.ejemplo.org [169.254.220.13] peter plain User logged in Aug 27 15:48:02 frontendlinux imap[2198]: created decompress buffer of 4102 bytes Aug 27 15:48:02 frontendlinux imap[2198]: created compress buffer of 4102 bytes Aug 27 15:48:02 frontendlinux imap[2198]: client id: "name" "Thunderbird" "version" "17.0.8" Aug 27 15:48:02 frontendlinux imap[2198]: couldn't authenticate to backend server: no mechanism available Aug 27 15:49:23 frontendlinux master[2077]: process 2119 exited, status 0 Aug 27 15:49:23 frontendlinux master[2312]: about to exec /usr/lib/cyrus-imapd/proxyd Aug 27 15:49:23 frontendlinux imap[2312]: executed Aug 27 15:55:25 frontendlinux master[2314]: about to exec /usr/lib/cyrus-imapd/ctl_cyrusdb Aug 27 15:55:25 frontendlinux ctl_cyrusdb[2314]: checkpointing cyrus databases Aug 27 15:55:25 frontendlinux ctl_cyrusdb[2314]: archiving log file: /var/lib/imap/db/log.0000000001 Aug 27 15:55:25 frontendlinux ctl_cyrusdb[2314]: archiving log file: /var/lib/imap/db/log.0000000001 Aug 27 15:55:25 frontendlinux ctl_cyrusdb[2314]: archiving log file: /var/lib/imap/db/log.0000000001 Aug 27 15:55:25 frontendlinux ctl_cyrusdb[2314]: archiving database file: /var/lib/imap/annotations.db Aug 27 15:55:25 frontendlinux ctl_cyrusdb[2314]: archiving database file: /var/lib/imap/mailboxes.db Aug 27 15:55:25 frontendlinux ctl_cyrusdb[2314]: archiving log file: /var/lib/imap/db/log.0000000001 Aug 27 15:55:25 frontendlinux ctl_cyrusdb[2314]: done checkpointing cyrus databases 我有以下设置：
======================= 后端configuration =======================
服务器名称：backend.ejemplo.org
操作系统：Centos 6.0（Final）
服务器SMTP：Postfix 2.6.6
服务器IMAP：赛勒斯IMAP谋杀v2.3.16-Fedora-RPM-2.3.16-6.el6_2.5服务器准备就绪
postconf -n：
alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases broken_sasl_auth_clients = yes command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 header_checks = regexp:/etc/postfix/header_checks html_directory = no inet_interfaces = all inet_protocols = all local_destination_concurrency_limit = 5 local_destination_recipient_limit = 300 mail_owner = postfix mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost mydomain = ejemplo.org myhostname = backend.ejemplo.org mynetworks_style = host newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES recipient_delimiter = + sample_directory = /usr/share/doc/postfix-2.6.6/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtp_sasl_mechanism_filter = plain smtp_tls_note_starttls_offer = yes smtp_use_tls = no #majito toco smtpd_banner = $myhostname smtpd_client_restrictions = permit_sasl_authenticated, permit_mynetworks smtpd_helo_required = yes smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, permit smtpd_sasl_auth_enable = yes smtpd_sasl_local_domain = smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout = 3600s smtpd_use_tls = yes tls_random_source = dev:/dev/urandom unknown_local_recipient_reject_code = 550
/etc/imapd.conf：
partition-default: /var/spool/imap mupdate_server: frontendlinux.ejemplo.org mupdate_port: 3905 mupdate_username: murder mupdate_authname: murder mupdate_password: foo #admins: cyrus proxyservers: murder configdirectory: /var/lib/imap sievedir: /var/lib/imap/sieve sendmail: /usr/sbin/sendmail hashimapspool: true sasl_pwcheck_method: saslauthd sasl_mech_list: PLAIN # qosmarking: af13 defaultdomain: ejemplo.org servername: backend.ejemplo.org allowanonymouslogin: no allowplaintext: yes #autocreatequota: -1 #createonpost: yes #autocreateinboxfolders: spam #autosubscribeinboxfolders: spam admins: cyrus murder unixhierarchysep: 1
/etc/cyrus.conf：
partition-default: /var/spool/imap mupdate_server: frontendlinux.ejemplo.org mupdate_port: 3905 mupdate_username: murder mupdate_authname: murder mupdate_password: foo proxyservers: murder configdirectory: /var/lib/imap sievedir: /var/lib/imap/sieve sendmail: /usr/sbin/sendmail hashimapspool: true sasl_pwcheck_method: saslauthd sasl_mech_list: PLAIN defaultdomain: ejemplo.org servername: backend.ejemplo.org allowanonymouslogin: no allowplaintext: yes admins: cyrus murder unixhierarchysep: 1
/etc/cyrus.conf：
START { recover cmd="ctl_cyrusdb -r" idled cmd="idled" } # UNIX sockets start with a slash and are put into /var/lib/imap/sockets SERVICES { imap cmd="imapd" listen="imap" prefork=5 pop3 cmd="pop3d" listen="pop3" prefork=3 sieve cmd="timsieved" listen="sieve" prefork=0 lmtpunix cmd="lmtpd" listen="/var/lib/imap/socket/lmtp" prefork=1 } EVENTS { checkpoint cmd="ctl_cyrusdb -c" period=30 delprune cmd="cyr_expire -E 3" at=0400 tlsprune cmd="tls_prune" at=0400 }
/etc/sasl2/smtpd.conf：
pwcheck_method：saslauthd mech_list：纯粹的login
======================= 前端configuration =======================
服务器名称：frontendlinux.ejemplo.org
操作系统：Centos 6.0（Final）
服务器SMTP：Postfix 2.6.6
服务器IMAP：赛勒斯IMAP谋杀v2.3.16-Fedora-RPM-2.3.16-6.el6_2.5服务器准备就绪
postconf -n：
alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases broken_sasl_auth_clients = yes command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 header_checks = regexp:/etc/postfix/header_checks html_directory = no inet_interfaces = all inet_protocols = all local_destination_concurrency_limit = 5 local_destination_recipient_limit = 300 mail_owner = postfix mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost mydomain = ejemplo.org myhostname = frontendlinux.ejemplo.org mynetworks = 127.0.0.0/8, 192.168.100.0/24, 169.254.220.0/24 mynetworks_style = host newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES recipient_delimiter = + sample_directory = /usr/share/doc/postfix-2.6.6/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtp_sasl_mechanism_filter = plain smtp_tls_note_starttls_offer = yes smtp_use_tls = no smtpd_banner = $myhostname smtpd_client_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination smtpd_helo_required = yes smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination, reject_invalid_hostname, reject_non_fqdn_hostname, reject_non_fqdn_sender, reject_non_fqdn_recipient, reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_unauth_pipelining, reject_rbl_client zen.spamhaus.org, reject_rbl_client bl.spamcop.net, reject_rbl_client dnsbl.njabl.org, reject_rbl_client dnsbl.sorbs.net, permit smtpd_sasl_auth_enable = yes smtpd_sasl_local_domain = smtpd_tls_cert_file = none smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout = 3600s smtpd_use_tls = yes tls_random_source = dev:/dev/urandom unknown_local_recipient_reject_code = 550
/etc/imapd.conf：
alias_database = hash:/etc/aliases alias_maps = hash:/etc/aliases broken_sasl_auth_clients = yes command_directory = /usr/sbin config_directory = /etc/postfix daemon_directory = /usr/libexec/postfix data_directory = /var/lib/postfix debug_peer_level = 2 header_checks = regexp:/etc/postfix/header_checks html_directory = no inet_interfaces = all inet_protocols = all local_destination_concurrency_limit = 5 local_destination_recipient_limit = 300 mail_owner = postfix mailbox_transport = lmtp:unix:/var/lib/imap/socket/lmtp mailq_path = /usr/bin/mailq.postfix manpage_directory = /usr/share/man mydestination = $myhostname, localhost.$mydomain, localhost mydomain = ejemplo.org myhostname = frontendlinux.ejemplo.org mynetworks = 127.0.0.0/8, 192.168.100.0/24, 169.254.220.0/24 mynetworks_style = host newaliases_path = /usr/bin/newaliases.postfix queue_directory = /var/spool/postfix readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES recipient_delimiter = + sample_directory = /usr/share/doc/postfix-2.6.6/samples sendmail_path = /usr/sbin/sendmail.postfix setgid_group = postdrop smtp_sasl_mechanism_filter = plain smtp_tls_note_starttls_offer = yes smtp_use_tls = no smtpd_banner = $myhostname smtpd_client_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination smtpd_helo_required = yes smtpd_recipient_restrictions = permit_sasl_authenticated, permit_mynetworks, reject_unauth_destination, reject_invalid_hostname, reject_non_fqdn_hostname, reject_non_fqdn_sender, reject_non_fqdn_recipient, reject_unknown_sender_domain, reject_unknown_recipient_domain, reject_unauth_pipelining, reject_rbl_client zen.spamhaus.org, reject_rbl_client bl.spamcop.net, reject_rbl_client dnsbl.njabl.org, reject_rbl_client dnsbl.sorbs.net, permit smtpd_sasl_auth_enable = yes smtpd_sasl_local_domain = smtpd_tls_cert_file = none smtpd_tls_loglevel = 1 smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout = 3600s smtpd_use_tls = yes tls_random_source = dev:/dev/urandom unknown_local_recipient_reject_code = 550
/etc/cyrus.conf
START { recover cmd="ctl_cyrusdb -r" idled cmd="idled" } SERVICES { mupdate cmd="/usr/lib/cyrus-imapd/mupdate -m" listen=3905 prefork=1 imap cmd="proxyd" listen="imap" prefork=5 sieve cmd="timsieved" listen="sieve" prefork=0 lmtp cmd="lmtpproxyd" listen="lmtp" prefork=1 maxchild=20 } EVENTS { checkpoint cmd="ctl_cyrusdb -c" period=30 delprune cmd="cyr_expire -E 3" at=0400 tlsprune cmd="tls_prune" at=0400 }
/etc/sasl2/smtpd.conf
pwcheck_method: saslauthd mech_list: plain login
谢谢。
yum install cyrus-sasl-plain
也许解决你的问题。