Postfix
無法將電子郵件接收到我的郵件伺服器
我按照本教程創建了一個郵件伺服器：
https://www.linode.com/docs/email/postfix/email-with-postfix-dovecot-and-mysql，
我在我的電子郵件客戶端、SMTP 和 IMAP 上配置了電子郵件，並且兩個連接都正常工作，我可以將電子郵件從我的電子郵件地址 (example@domain.com) 發送到另一個 (example@gmail.com)，我也可以閱讀它，但是當我發送到我的電子郵件伺服器的電子郵件地址（example@domain.com）時，它會發送，但我在 example@domain.com 的收件箱中看不到它…
創建了一個 mx 記錄：
example.com mx 10 example.com並創建了一個 spf 記錄：
v=spf1 a mx ~all郵件伺服器位於 Ubuntu 14.04.1 桌面上。
結果
dovecot -n# 2.2.9: /etc/dovecot/dovecot.conf # OS: Linux 3.13.0-44-generic x86_64 Ubuntu 14.04.1 LTS ext4 auth_mechanisms = plain login mail_location = maildir:/var/mail/vhosts/%d/%n mail_privileged_group = mail namespace inbox { inbox = yes location = mailbox Drafts { special_use = \Drafts } mailbox Junk { special_use = \Junk } mailbox Sent { special_use = \Sent } mailbox "Sent Messages" { special_use = \Sent } mailbox Trash { special_use = \Trash } prefix = } passdb { args = /etc/dovecot/dovecot-sql.conf.ext driver = sql } protocols = imap pop3 lmtp service auth-worker { user = vmail } service auth { unix_listener /var/spool/postfix/private/auth { group = postfix mode = 0666 user = postfix } unix_listener auth-userdb { mode = 0600 user = vmail } user = dovecot } service imap-login { inet_listener imap { port = 0 } } service lmtp { unix_listener /var/spool/postfix/private/dovecot-lmtp { group = postfix mode = 0600 user = postfix } } service pop3-login { inet_listener pop3 { port = 0 } } ssl = required ssl_cert = </etc/dovecot/dovecot.pem ssl_key = </etc/dovecot/private/dovecot.pem userdb { args = uid=vmail gid=vmail home=/var/mail/vhosts/%d/%n driver = static }結果
netstat -panet：tcp 0 0 0.0.0.0:995 0.0.0.0:* ESCUTA 0 11309 986/dovecot tcp 0 0 0.0.0.0:7300 0.0.0.0:* ESCUTA 1001 13485 1371/perl tcp 0 0 192.168.1.104:27754 0.0.0.0:* ESCUTA 1001 13484 1371/perl tcp 0 0 127.0.0.1:3306 0.0.0.0:* ESCUTA 117 11024 1134/mysqld tcp 0 0 0.0.0.0:587 0.0.0.0:* ESCUTA 0 11611 1232/master tcp 0 0 0.0.0.0:465 0.0.0.0:* ESCUTA 0 11617 1232/master tcp 0 0 127.0.1.1:53 0.0.0.0:* ESCUTA 0 12148 1486/dnsmasq tcp 0 0 0.0.0.0:21 0.0.0.0:* ESCUTA 0 9546 993/vsftpd tcp 0 0 0.0.0.0:22 0.0.0.0:* ESCUTA 0 9555 980/sshd tcp 0 0 127.0.0.1:631 0.0.0.0:* ESCUTA 0 8840 510/cupsd tcp 0 0 0.0.0.0:25 0.0.0.0:* ESCUTA 0 11602 1232/master tcp 0 0 127.0.0.1:6010 0.0.0.0:* ESCUTA 1000 21171 3082/1 tcp 0 0 0.0.0.0:993 0.0.0.0:* ESCUTA 0 10582 986/dovecot tcp 0 0 192.168.1.104:993 85.242.102.178:50794 ESTABELECIDO 119 24686 3168/imap-login tcp 0 0 192.168.1.104:7300 78.111.205.56:45853 ESTABELECIDO 1001 21084 1371/perl tcp 0 0 192.168.1.104:993 85.242.102.178:55965 ESTABELECIDO 119 21384 3176/imap-login tcp 0 264 192.168.1.104:22 192.168.1.90:57457 ESTABELECIDO 0 21118 3046/sshd: diogosar tcp 0 0 192.168.1.104:993 85.242.102.178:57359 ESTABELECIDO 119 21396 3178/imap-login tcp6 0 0 :::995 :::* ESCUTA 0 11310 986/dovecot tcp6 0 0 :::587 :::* ESCUTA 0 11612 1232/master tcp6 0 0 :::80 :::* ESCUTA 0 10956 1340/apache2 tcp6 0 0 :::465 :::* ESCUTA 0 11618 1232/master tcp6 0 0 :::22 :::* ESCUTA 0 9557 980/sshd tcp6 0 0 :::25 :::* ESCUTA 0 11603 1232/master tcp6 0 0 ::1:6010 :::* ESCUTA 1000 21170 3082/1 tcp6 0 0 :::993 :::* ESCUTA 0 10583 986/dovecot我的問題是：如果我向它發送電子郵件，為什麼我在電子郵件中看不到收件箱？我也嘗試過使用 POP3 ……
更新：
文件摘錄：/var/log/mail.log：
Jan 29 15:07:43 Ubuntu postfix/error[3196]: AA1E22C3528: to=<cr7akg@cr7akg.com>, relay=none, delay=59795, delays=59795/0.06/0/0, dsn=4.4.2, status=deferred (delivery temporarily suspended: lost connection with Ubuntu[private/dovecot-lmtp] while receiving the initial server greeting) Jan 29 15:11:03 Ubuntu postfix/scache[3193]: statistics: start interval Jan 29 15:07:43 Jan 29 15:11:03 Ubuntu postfix/scache[3193]: statistics: domain lookup hits=0 miss=2 success=0% Jan 29 15:12:43 Ubuntu postfix/qmgr[3157]: 225BE2C3568: from=<cr7akg@cr7akg.com>, size=519, nrcpt=1 (queue active) Jan 29 15:12:43 Ubuntu dovecot: lmtp(3217): Fatal: Error reading configuration: Invalid settings: postmaster_address setting not given Jan 29 15:12:43 Ubuntu postfix/lmtp[3216]: 225BE2C3568: to=<cr7akg@cr7akg.com>, relay=Ubuntu[private/dovecot-lmtp], delay=58634, delays=58634/0.03/0.01/0, dsn=4.4.2, status=deferred (lost connection with Ubuntu[private/dovecot-lmtp] while receiving the initial server greeting) Jan 29 15:17:43 Ubuntu postfix/qmgr[3157]: 083672C3576: from=<ea6vq@dxmaps.com>, size=697, nrcpt=1 (queue active) Jan 29 15:17:43 Ubuntu dovecot: lmtp(3225): Fatal: Error reading configuration: Invalid settings: postmaster_address setting not given Jan 29 15:17:43 Ubuntu postfix/lmtp[3224]: 083672C3576: to=<cr7akg@cr7akg.com>, relay=Ubuntu[private/dovecot-lmtp], delay=57731, delays=57731/0.03/0.01/0, dsn=4.4.2, status=deferred (lost connection with Ubuntu[private/dovecot-lmtp] while receiving the initial server greeting) Jan 29 15:20:52 Ubuntu dovecot: imap-login: Login: user=<cr7akg@cr7akg.com>, method=PLAIN, rip=85.242.102.178, lip=192.168.1.104, mpid=3232, TLS, session=<wzqYCMwNSQBV8may> Jan 29 15:22:43 Ubuntu postfix/qmgr[3157]: 369702C3665: from=<>, size=2930, nrcpt=1 (queue active) Jan 29 15:22:43 Ubuntu postfix/qmgr[3157]: F0A022C3538: from=<diogoandresaraiva@me.com>, size=1260, nrcpt=1 (queue active) Jan 29 15:22:43 Ubuntu postfix/qmgr[3157]: 0A11C2C3581: from=<cr7akg@cr7akg.com>, size=525, nrcpt=3 (queue active) Jan 29 15:22:43 Ubuntu dovecot: lmtp(3654): Fatal: Error reading configuration: Invalid settings: postmaster_address setting not given Jan 29 15:22:43 Ubuntu dovecot: lmtp(3657): Fatal: Error reading configuration: Invalid settings: postmaster_address setting not given Jan 29 15:22:43 Ubuntu postfix/lmtp[3652]: 369702C3665: to=<cr7akg@cr7akg.com>, relay=Ubuntu[private/dovecot-lmtp], delay=30046, delays=30046/0.03/0.01/0, dsn=4.4.2, status=deferred (lost connection with Ubuntu[private/dovecot-lmtp] while receiving the initial server greeting) Jan 29 15:22:43 Ubuntu postfix/lmtp[3653]: F0A022C3538: to=<cr7akg@cr7akg.com>, relay=Ubuntu[private/dovecot-lmtp], delay=21441, delays=21441/0.02/0.01/0, dsn=4.4.2, status=deferred (lost connection with Ubuntu[private/dovecot-lmtp] while receiving the initial server greeting) Jan 29 15:22:43 Ubuntu dovecot: lmtp(3660): Fatal: Error reading configuration: Invalid settings: postmaster_address setting not given Jan 29 15:22:43 Ubuntu postfix/lmtp[3652]: 0A11C2C3581: to=<cr7akg@cr7akg.com>, relay=Ubuntu[private/dovecot-lmtp], delay=30047, delays=30047/0.03/0.02/0, dsn=4.4.2, status=deferred (lost connection with Ubuntu[private/dovecot-lmtp] while receiving the initial server greeting) Jan 29 15:26:03 Ubuntu postfix/scache[3659]: statistics: start interval Jan 29 15:22:43 Jan 29 15:26:03 Ubuntu postfix/scache[3659]: statistics: domain lookup hits=0 miss=1 success=0% Jan 29 15:29:44 Ubuntu postfix/smtpd[3765]: connect from nk11p03mm-asmtp001.mac.com[17.158.232.236] Jan 29 15:29:45 Ubuntu postfix/smtpd[3765]: BE8582C34DE: client=nk11p03mm-asmtp001.mac.com[17.158.232.236] Jan 29 15:29:45 Ubuntu postfix/cleanup[3776]: BE8582C34DE: message-id=<E8F48D16-3855-454E-BC72-0F3DE0899B03@me.com> Jan 29 15:29:45 Ubuntu postfix/qmgr[3157]: BE8582C34DE: from=<diogoandresaraiva@me.com>, size=1267, nrcpt=1 (queue active) Jan 29 15:29:45 Ubuntu dovecot: lmtp(3780): Fatal: Error reading configuration: Invalid settings: postmaster_address setting not given Jan 29 15:29:45 Ubuntu postfix/lmtp[3779]: BE8582C34DE: to=<cr7akg@cr7akg.com>, relay=Ubuntu[private/dovecot-lmtp], delay=0.23, delays=0.21/0.01/0.01/0, dsn=4.4.2, status=deferred (lost connection with Ubuntu[private/dovecot-lmtp] while receiving the initial server greeting) Jan 29 15:29:46 Ubuntu postfix/smtpd[3765]: disconnect from nk11p03mm-asmtp001.mac.com[17.158.232.236]結果：
telnet cr7akg.com smtpTrying 85.242.102.178... Connected to cr7akg.com. Escape character is '^]'. 220 Ubuntu ESMTP Postfix (Ubuntu)結果：
telnet 192.168.1.104 smtpTrying 192.168.1.104... Connected to ubuntu.lan. Escape character is '^]'. 220 Ubuntu ESMTP Postfix (Ubuntu)
找到了這個解決方案：
在 /etc/dovecot/conf.d/20-lmtp.conf 中添加：
protocol lmtp { postmaster_address = mysql:/etc/postfix/mysql-virtual-mailbox-maps.cf # required mail_plugins = quota }可能是：
protocol lmtp { # Space separated list of plugins to load (default is global mail_plugins). #mail_plugins = $mail_plugins }
就我而言，我的 dovecot 配置中有一個錯誤的日誌路徑。確保檢查您的鴿舍日誌以查找可能的錯誤。