我安装了一个postfix邮件服务器。但是当我使用thunderbird登录用户时，这是错误的。 这是配置。
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
home_mailbox = Maildir/
html_directory = no
inet_interfaces = all
inet_protocols = all
mail_owner = postfix
mailbox_size_limit = 20000000000
mailq_path = /usr/bin/mailq.postfix
manpage_directory = /usr/share/man
message_size_limit = 200000000
mydestination = $myhostname, localhost.$mydomain, localhost, $mydomain
mydomain = stack.daolicloud.com
myhostname = mail.stack.daolicloud.com
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
myorigin = $mydomain
newaliases_path = /usr/bin/newaliases.postfix
queue_directory = /var/spool/postfix
readme_directory = /usr/share/doc/postfix-2.6.6/README_FILES
relay_domains = $mydestination
relayhost =
sample_directory = /usr/share/doc/postfix-2.6.6/samples
sendmail_path = /usr/sbin/sendmail.postfix
setgid_group = postdrop
smtp_tls_note_starttls_offer = yes
smtpd_helo_required = yes
smtpd_recipient_restrictions = permit_sasl_authenticated,permit_mynetworks,reject_unauth_destination
smtpd_sasl_auth_enable = yes
smtpd_sasl_authenticated_header = yes
smtpd_sasl_local_domain = $myhostname
smtpd_sasl_path = private/auth
smtpd_sasl_security_options = noanonymous
smtpd_sasl_type = dovecot
smtpd_sender_restrictions = reject_unknown_sender_domain
smtpd_tls_CAfile = /etc/ssl/certs/cacert.pem
smtpd_tls_auth_only = no
smtpd_tls_cert_file = /etc/ssl/certs/cacert.pem
smtpd_tls_key_file = /etc/ssl/private/server.key
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
dovecot -n：
# 2.0.9: /etc/dovecot/dovecot.conf
# OS: Linux 2.6.32-431.1.2.0.1.el6.x86_64 x86_64 CentOS release 6.4 (Final)
auth_mechanisms = plain login
mail_location = maildir:~/Maildir
mail_privileged_group = mail
mbox_write_locks = fcntl
passdb {
driver = pam
}
protocols = imap pop3
service auth {
unix_listener /var/spool/postfix/private/auth {
mode = 0666
user = postfix
}
}
service imap-login {
inet_listener imap {
port = 143
ssl = yes
}
inet_listener imaps {
port = 993
ssl = yes
}
}
ssl_cert = </etc/ssl/certs/cacert.pem
ssl_key = </etc/ssl/private/server.key
userdb {
driver = passwd
}
这是日志：
dovecot: imap-login: Fatal: Can't load private ssl_key: Key is for a different cert than ssl_cert
dovecot: master: Error: service(imap-login): command startup failed, throttling
dovecot: pop3-login: Fatal: Can't load private ssl_key: Key is for a different cert than ssl_cert
dovecot: master: Error: service(pop3-login): command startup failed, throttling
postfix/smtpd[13891]: warning: cannot get RSA private key from file /etc/ssl/private/server.key: disabling TLS support
postfix/smtpd[13891]: warning: TLS library problem: 13891:error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch:x509_cmp.c:331:
postfix/smtpd[13893]: warning: cannot get RSA private key from file /etc/ssl/private/server.key: disabling TLS support
postfix/smtpd[13893]: warning: TLS library problem: 13893:error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch:x509_cmp.c:331:
postfix/smtpd[13894]: warning: cannot get RSA private key from file /etc/ssl/private/server.key: disabling TLS support
postfix/smtpd[13894]: warning: TLS library problem: 13894:error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch:x509_cmp.c:331:
postfix/smtpd[13895]: warning: cannot get RSA private key from file /etc/ssl/private/server.key: disabling TLS support
postfix/smtpd[13895]: warning: TLS library problem: 13895:error:0B080074:x509 certificate routines:X509_check_private_key:key values mismatch:x509_cmp.c:331:
我认为pem和key文件错了。所以我再次生成此文件，然后是this link。但它仍然是同样的错误。有任何想法吗？有人可以帮助我吗？非常感谢！
答案 0 :(得分：12)
为了检查证书和密钥匹配是否使用它，
(openssl x509 -noout -modulus -in /etc/ssl/certs/cacert.pem | openssl md5 ;\
openssl rsa -noout -modulus -in /etc/ssl/private/server.key | openssl md5) | uniq
如果您获得了多个标识符，那么您的密钥和证书就不匹配。
只需创建一个新的;
openssl req -new -x509 -days 3650 -nodes -out /etc/ssl/certs/cacert.pem -keyout /etc/ssl/private/server.key
干杯！
答案 1 :(得分：0)
基于@ {Ark74＆＃39}来自someone's blog的回答，在ubuntu上，snakeoil证书的check命令是：
(openssl x509 -noout -modulus -in /etc/ssl/certs/ssl-cert-snakeoil.pem | openssl md5 ; openssl rsa -noout -modulus -in /etc/ssl/private/ssl-cert-snakeoil.key | openssl md5) | uniq
如果您获得两个哈希值，则需要重新生成证书：
make-ssl-cert generate-default-snakeoil --force-overwrite
答案 2 :(得分：0)
对于在运行SELinux的Centos 8，Postfix 3.3.1上看到此错误的任何人，我都尝试了上述所有操作，并且我知道我的证书和链是正确的，因为apache正确加载了它们。
我在原始错误下看到以下错误：
warning: TLS library problem: error:0200100D:system library:fopen:Permission denied
结果证明，证书必须位于中：
/etc/ssl/certs
目录-即使我在它们上具有正确的chcon。认为这可能会帮助其他人，因为它非常令人沮丧。我不确定为什么Postfix无法从httpd目录中加载它们。