我正在尝试使用 cyrus murder，我一直在修复一些错误，但现在当我尝试从 thunderbird 访问时发现了这一点：
当前对“收件箱”的操作未成功。帐户的邮件服务器[电子邮件保护]已响应：服务器无法完成操作。
我有一个后端和一个前端，也是一个mupdate。
查看日志（/var/log/maillog），在前端服务器中看到以下错误：
imap[2099]:无法验证后端服务器:没有可用的机制
这是前端服务器中的完整日志（/var/log/maillog）：
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：
=======================后端配置=======================
服务器名称：backend.ejemplo.org
操作系统：Centos 6.0（最终版）
服务器 SMTP: Postfix 2.6.6
服务器 IMAP：Cyrus IMAP Murder v2.3.16-Fedora-RPM-2.3.16-6.el6_2.5 服务器已准备就绪
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: 普通登录
=======================前端配置=======================
服务器名称：frontendlinux.ejemplo.org
操作系统：Centos 6.0（最终版）
服务器 SMTP: Postfix 2.6.6
服务器 IMAP：Cyrus IMAP Murder v2.3.16-Fedora-RPM-2.3.16-6.el6_2.5 服务器已准备就绪
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。
答案1
yum install cyrus-sasl-plain
也许可以解决你的问题。