我正在为我目前正在build立的一个非营利组织build立一个邮件服务器（包括Postfix，Dovecot和Postfixadmin）。
我可以发送但不能通过TLS收到邮件。 当从[email protected]发送邮件到[email protected]时，它完美地工作。
字尾
/etc/postfix/main.cf中
# See /usr/share/postfix/main.cf.dist for a commented, more complete version # Debian specific: Specifying a file name will cause the first # line of that file to be used as the name. The Debian default # is /etc/mailname. #myorigin = /etc/mailname smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU) biff = no # appending .domain is the MUA's job. append_dot_mydomain = no # Uncomment the next line to generate "delayed mail" warnings #delay_warning_time = 4h readme_directory = no # TLS parameters smtpd_tls_cert_file = /etc/ssl/certs/ssl-mail.pem smtpd_tls_key_file = /etc/ssl/private/ssl-mail.key # smtpd_tls_CAfile = /etc/ssl/certs/ca-bundle.crt smtpd_tls_CApath = /etc/postfix/certs smtpd_use_tls = yes # smtpd_tls_req_ccert = yes smtpd_tls_ask_ccert = yes tls_ssl_options = NO_COMPRESSION tls_high_cipherlist = EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:+CAMELLIA256:+AES256:+CAMELLIA128:+AES128:+SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!ECDSA:CAMELLIA256-SHA:AES256-SHA:CAMELLIA128-SHA:AES128-SHA smtpd_tls_mandatory_exclude_ciphers = aNULL, eNULL, EXPORT, DES, RC4, MD5, PSK, aECDH, EDH-DSS-DES-CBC3-SHA, EDH-RSA-DES-CDC3-SHA, KRB5-DE5, CBC3-SHA smtp_tls_protocols = !SSLv2, !SSLv3 smtpd_tls_mandatory_protocols = !SSLv2,!SSLv3 smtpd_tls_ciphers = high smtpd_tls_mandatory_ciphers= high tls_preempt_cipherlist = yes smtpd_tls_eecdh_grade = strong smtpd_tls_security_level = encrypt smtpd_tls_loglevel = 1 smtpd_tls_auth_only = yes smtpd_tls_received_header = yes smtpd_tls_session_cache_timeout = 3600s tls_random_source = dev:/dev/urandom smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache smtpd_tls_dh512_param_file = ${config_directory}/dh512.pem smtpd_tls_dh1024_param_file = ${config_directory}/dh2048.pem #SMTP smtp_tls_cert_file = /etc/ssl/certs/ssl-mail.pem smtp_tls_key_file = /etc/ssl/private/ssl-mail.key smtp_tls_CAfile = /etc/ssl/certs/ca-bundle.crt smtp_tls_security_level = encrypt smtp_tls_mandatory_protocols = !SSLv2, !SSLv3 smtp_tls_mandatory_ciphers = high # See /usr/share/doc/postfix/TLS_README.gz in the postfix-doc package for # information on enabling SSL in the smtp client. # smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination myhostname = imap.mydomain.org alias_maps = hash:/etc/aliases alias_database = hash:/etc/aliases myorigin = /etc/mailname mydestination = imap.mydomain.org, ns339435.ip-xx-xxx-xxx.eu, localhost.ip-xx-xxx-xxx.eu, localhost relayhost = mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128 mailbox_size_limit = 0 recipient_delimiter = + inet_interfaces = all virtual_mailbox_domains = mysql:/etc/postfix/mysql-virtual-mailbox-domains.cf virtual_mailbox_maps = mysql:/etc/postfix/mysql-virtual-mailbox-maps.cf virtual_alias_maps = mysql:/etc/postfix/mysql-virtual-alias-maps.cf smtpd_sasl_type = dovecot smtpd_sasl_path = private/auth smtpd_sasl_auth_enable = yes virtual_transport = dovecot dovecot_destination_recipient_limit = 1 # Anti-SPAM rules # smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination # smtpd_sender_restrictions = permit_sasl_authenticated # Header checks mime_header_checks = regexp:/etc/postfix/header_checks header_checks = regexp:/etc/postfix/header_checks dovecot -n
# 2.2.13: /etc/dovecot/dovecot.conf # OS: Linux 3.14.32-xxxx-grs-ipv6-64 x86_64 ext4 auth_mechanisms = plain login mail_location = maildir:/var/vmail/%d/%n/Maildir managesieve_notify_capability = mailto managesieve_sieve_capability = fileinto reject envelope encoded-character vacation subaddress comparator-i;ascii-numeric relational regex imap4flags copy include variables body enotify environment mailbox date ihave namespace inbox { inbox = yes location = mailbox Drafts { auto = subscribe special_use = \Drafts } mailbox Junk { auto = subscribe special_use = \Junk } mailbox Sent { auto = subscribe special_use = \Sent } mailbox "Sent Messages" { auto = subscribe special_use = \Sent } mailbox Trash { auto = subscribe special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } plugin { sieve = ~/.dovecot.sieve sieve_dir = ~/sieve } protocols = " imap sieve pop3" service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0660 user = postfix } } service imap-login { inet_listener imap { address = * port = 143 } inet_listener imaps { address = * port = 993 ssl = yes } service_count = 1 } ssl = required ssl_cert = </etc/ssl/certs/ssl-mail.pem ssl_cipher_list = EDH+CAMELLIA:EDH+aRSA:EECDH+aRSA+AESGCM:EECDH+aRSA+SHA384:EECDH+aRSA+SHA256:EECDH:+CAMELLIA256:+AES256:+CAMELLIA128:+AES128:SSLv3:!aNULL:!eNULL:!LOW:!3DES:!MD5:!EXP:!PSK:!DSS:!RC4:!SEED:!ECDSA:CAMELLIA256-SHA:AES256-SHA:CAMELLIA128-SHA:AES128-SHA ssl_key = </etc/ssl/private/ssl-mail.key ssl_prefer_server_ciphers = yes ssl_protocols = !SSLv2 !SSLv3 !TLSv1 userdb { args = uid=vmail gid=vmail home=/var/vmail/%d/%n driver = static } protocol lda { mail_plugins = " sieve" } protocol imap { mail_plugins = }
运行tail -f /var/log/mail.log （在重新启动Postfix和Dovecot之后），我得到：
Jul 13 14:57:28 ns339435 postfix/master[31748]: terminating on signal 15 Jul 13 14:57:29 ns339435 postfix/master[32671]: daemon started -- version 2.11.3, configuration /etc/postfix Jul 13 14:57:37 ns339435 dovecot: master: Warning: Killed with signal 15 (by pid=32716 uid=0 code=kill) Jul 13 14:57:37 ns339435 dovecot: imap: Server shutting down. in=679 out=2340 Jul 13 14:57:37 ns339435 dovecot: master: Dovecot v2.2.13 starting up for imap, sieve, pop3 (core dumps disabled) Jul 13 14:59:21 ns339435 postfix/master[32671]: terminating on signal 15 Jul 13 14:59:22 ns339435 postfix/master[739]: daemon started -- version 2.11.3, configuration /etc/postfix Jul 13 14:59:38 ns339435 dovecot: master: Warning: Killed with signal 15 (by pid=785 uid=0 code=kill) Jul 13 14:59:38 ns339435 dovecot: master: Dovecot v2.2.13 starting up for imap, sieve, pop3 (core dumps disabled) Jul 13 14:59:52 ns339435 dovecot: imap-login: Login: user=<[email protected]>, method=PLAIN, rip=xx.xxx.xx.xxx, lip=xx.xxx.xxx.xxx, mpid=838, TLS, session=<nucsTMEawwBNxVG2>
编辑：/etc/postfix/master.cf
# # Postfix master process configuration file. For details on the format # of the file, see the master(5) manual page (command: "man 5 master" or # on-line: http://www.postfix.org/master.5.html). # # Do not forget to execute "postfix reload" after editing this file. # # ========================================================================== # service type private unpriv chroot wakeup maxproc command + args # (yes) (yes) (yes) (never) (100) # ========================================================================== #smtp inet n - - - - smtpd #smtp inet n - - - 1 postscreen #smtpd pass - - - - - smtpd #smtpd inet n - - - - smtpd # -o content_filter=spamassassin #dnsblog unix - - - - 0 dnsblog #tlsproxy unix - - - - 0 tlsproxy submission inet n - - - - smtpd -o syslog_name=postfix/submission -o smtpd_tls_security_level=encrypt -o smtpd_sasl_auth_enable=yes -o smtpd_client_restrictions=permit_sasl_authenticated,reject -o milter_macro_daemon_name=ORIGINATING # -o smtpd_reject_unlisted_recipient=no # -o smtpd_client_restrictions=$mua_client_restrictions # -o smtpd_helo_restrictions=$mua_helo_restrictions # -o smtpd_sender_restrictions=$mua_sender_restrictions # -o smtpd_recipient_restrictions= # -o smtpd_relay_restrictions=permit_sasl_authenticated,reject # -o milter_macro_daemon_name=ORIGINATING smtps inet n - - - - smtpd -o syslog_name=postfix/smtps -o smtpd_tls_wrappermode=yes -o smtpd_sasl_auth_enable=yes -o smtpd_client_restrictions=permit_sasl_authenticated,reject -o milter_macro_daemon_name=ORIGINATING # -o smtpd_reject_unlisted_recipient=no # -o smtpd_client_restrictions=$mua_client_restrictions # -o smtpd_helo_restrictions=$mua_helo_restrictions # -o smtpd_sender_restrictions=$mua_sender_restrictions # -o smtpd_recipient_restrictions= # -o smtpd_relay_restrictions=permit_sasl_authenticated,reject # -o milter_macro_daemon_name=ORIGINATING #628 inet n - - - - qmqpd pickup unix n - - 60 1 pickup cleanup unix n - - - 0 cleanup qmgr unix n - n 300 1 qmgr #qmgr unix n - n 300 1 oqmgr tlsmgr unix - - - 1000? 1 tlsmgr rewrite unix - - - - - trivial-rewrite bounce unix - - - - 0 bounce defer unix - - - - 0 bounce trace unix - - - - 0 bounce verify unix - - - - 1 verify flush unix n - - 1000? 0 flush proxymap unix - - n - - proxymap proxywrite unix - - n - 1 proxymap smtp unix - - - - - smtp relay unix - - - - - smtp # -o smtp_helo_timeout=5 -o smtp_connect_timeout=5 showq unix n - - - - showq error unix - - - - - error retry unix - - - - - error discard unix - - - - - discard local unix - nn - - local virtual unix - nn - - virtual lmtp unix - - - - - lmtp anvil unix - - - - 1 anvil scache unix - - - - 1 scache # # ==================================================================== # Interfaces to non-Postfix software. Be sure to examine the manual # pages of the non-Postfix software to find out what options it wants. # # Many of the following services use the Postfix pipe(8) delivery # agent. See the pipe(8) man page for information about ${recipient} # and other message envelope options. # ==================================================================== # # maildrop. See the Postfix MAILDROP_README file for details. # Also specify in main.cf: maildrop_destination_recipient_limit=1 # maildrop unix - nn - - pipe flags=DRhu user=vmail argv=/usr/bin/maildrop -d ${recipient} # # ==================================================================== # # Recent Cyrus versions can use the existing "lmtp" master.cf entry. # # Specify in cyrus.conf: # lmtp cmd="lmtpd -a" listen="localhost:lmtp" proto=tcp4 # # Specify in main.cf one or more of the following: # mailbox_transport = lmtp:inet:localhost # virtual_transport = lmtp:inet:localhost # # ==================================================================== # # Cyrus 2.1.5 (Amos Gouaux) # Also specify in main.cf: cyrus_destination_recipient_limit=1 # #cyrus unix - nn - - pipe # user=cyrus argv=/cyrus/bin/deliver -e -r ${sender} -m ${extension} ${user} # # ==================================================================== # Old example of delivery via Cyrus. # #old-cyrus unix - nn - - pipe # flags=R user=cyrus argv=/cyrus/bin/deliver -e -m ${extension} ${user} # # ==================================================================== # # See the Postfix UUCP_README file for configuration details. # uucp unix - nn - - pipe flags=Fqhu user=uucp argv=uux -r -n -z -a$sender - $nexthop!rmail ($recipient) # # Other external delivery methods. # ifmail unix - nn - - pipe flags=F user=ftn argv=/usr/lib/ifmail/ifmail -r $nexthop ($recipient) bsmtp unix - nn - - pipe flags=Fq. user=bsmtp argv=/usr/lib/bsmtp/bsmtp -t$nexthop -f$sender $recipient scalemail-backend unix - nn - 2 pipe flags=R user=scalemail argv=/usr/lib/scalemail/bin/scalemail-store ${nexthop} ${user} ${extension} mailman unix - nn - - pipe flags=FR user=list argv=/usr/lib/mailman/bin/postfix-to-mailman.py ${nexthop} ${user} dovecot unix - nn - - pipe flags=DRhu user=vmail:vmail argv=/usr/lib/dovecot/dovecot-lda -f ${sender} -d ${recipient} spamassassin unix - nn - - pipe user=spamd argv=/usr/bin/spamc -f -e /usr/sbin/sendmail -oi -f ${sender} ${recipient}
这是我使用的邮件帐户configuration：
IMAPS
Server: imap.mydomain.org Port: 993 User: [email protected] Security: SSL/TLS Authentification: Password
SMTP
Server: imap.mydomain.org Port: 465 User: [email protected] Security: SSL/TLS Authentification: Password
谢谢。 🙂
解决了。
我取消了以下行的注释：
smtp inet n - - - - smtpd
我现在可以通过以下configuration通过TLS发送和接收电子邮件：
IMAPS
Server: imap.mydomain.org Port: 993 User: [email protected] Security: SSL/TLS Authentification: Password
SMTP
Server: imap.mydomain.org Port: 465 User: [email protected] Security: SSL/TLS Authentification: Password