我安装了postfix和dovecot
当我从我的Gmail发送电子邮件到我的主机然后我从我的计算机的电子邮件客户端连接它我得到了吹风日志
我尝试更改“destinations =”，但此错误仍然存在。
Dec 23 04:22:55 mail postfix/smtpd[21018]: connect from mail-it0-f50.google.com[209.85.214.50]
Dec 23 04:22:56 mail postfix/smtpd[21018]: 115283F3C0: client=mail-it0-f50.google.com[209.85.214.50]
Dec 23 04:22:56 mail postfix/cleanup[21028]: 115283F3C0: message-id=<CACRj=7md8ZVR54Y3b4OgmYTtHLd6wAHejexZPY_=+UjSDKui6A@mail.gmail.com>
Dec 23 04:22:56 mail postfix/qmgr[14528]: 115283F3C0: from=<mygmail@gmail.com>, size=2554, nrcpt=1 (queue active)
Dec 23 04:22:56 mail postfix/smtpd[21018]: disconnect from mail-it0-f50.google.com[209.85.214.50]
Dec 23 04:22:56 mail postfix/pipe[21031]: 115283F3C0: to=<i@myhost.com>, relay=dovecot, delay=0.15, delays=0.1/0.01/0/0.04, dsn=5.1.1, status=bounced (user unknown)
Dec 23 04:22:56 mail postfix/cleanup[21028]: 32EF83F5C7: message-id=<20171223042256.32EF83F5C7@mail.myhost.com>
Dec 23 04:22:56 mail postfix/qmgr[14528]: 32EF83F5C7: from=<>, size=4295, nrcpt=1 (queue active)
Dec 23 04:22:56 mail postfix/bounce[21034]: 115283F3C0: sender non-delivery notification: 32EF83F5C7
Dec 23 04:22:56 mail postfix/qmgr[14528]: 115283F3C0: removed
Dec 23 04:23:26 mail postfix/smtp[21035]: connect to gmail-smtp-in.l.google.com[173.194.206.26]:25: Connection timed out
Dec 23 04:23:26 mail postfix/smtp[21035]: connect to gmail-smtp-in.l.google.com[2607:f8b0:400d:c08::1b]:25: Network is unreachable
Dec 23 04:23:26 mail postfix/smtp[21035]: connect to alt1.gmail-smtp-in.l.google.com[2800:3f0:4003:c00::1b]:25: Network is unreachable
Dec 23 04:23:56 mail postfix/smtp[21035]: connect to alt1.gmail-smtp-in.l.google.com[64.233.186.26]:25: Connection timed out
Dec 23 04:23:56 mail postfix/smtp[21035]: connect to alt2.gmail-smtp-in.l.google.com[2a00:1450:400b:c00::1b]:25: Network is unreachable
Dec 23 04:23:56 mail postfix/smtp[21035]: 32EF83F5C7: to=<mygmail@gmail.com>, relay=none, delay=60, delays=0/0.01/60/0, dsn=4.4.1, status=deferred (connect to alt2.gmail-smtp-in.l.google.com[2a00:1450:400b:c00::1b]:25: Network is unreachable)
Dec 23 04:26:16 mail postfix/anvil[21020]: statistics: max connection rate 1/60s for (smtp:209.85.214.50) at Dec 23 04:22:55
Dec 23 04:26:16 mail postfix/anvil[21020]: statistics: max connection count 1 for (smtp:209.85.214.50) at Dec 23 04:22:55
Dec 23 04:26:16 mail postfix/anvil[21020]: statistics: max cache size 1 at Dec 23 04:22:55
Dec 23 04:26:33 mail postfix/smtpd[21045]: connect from unknown[117.181.50.20]
Dec 23 04:26:43 mail postfix/smtpd[21045]: warning: unknown[117.181.50.20]: SASL PLAIN authentication failed:
Dec 23 04:26:51 mail postfix/smtpd[21045]: warning: unknown[117.181.50.20]: SASL PLAIN authentication failed:
Dec 23 04:27:00 mail postfix/smtpd[21045]: warning: unknown[117.181.50.20]: SASL PLAIN authentication failed:
Dec 23 04:27:08 mail postfix/smtpd[21045]: warning: unknown[117.181.50.20]: SASL PLAIN authentication failed:
Dec 23 04:27:08 mail postfix/smtpd[21045]: disconnect from unknown[117.181.50.20]
Dec 23 04:27:09 mail dovecot: imap-login: Aborted login (auth failed, 6 attempts in 40 secs): user=<i>, method=PLAIN, rip=117.181.50.20, lip=45.77.77.104, TLS, session=<yB1OVvpgOAB1tTIU>
我的main.cf：
myhostname = mail.myhost.com
mynetworks = 127.0.0.0/8
message_size_limit = 30720000
virtual_alias_domains =
virtual_alias_maps = proxy:mysql:/etc/postfix/mysql-virtual_forwardings.cf, mysql:/etc/postfix/mysql-virtual_email2email.cf
virtual_mailbox_domains = proxy:mysql:/etc/postfix/mysql-virtual_domains.cf
virtual_mailbox_maps = proxy:mysql:/etc/postfix/mysql-virtual_mailboxes.cf
virtual_mailbox_base = /home/vmail
virtual_uid_maps = static:5000
virtual_gid_maps = static:5000
smtpd_sasl_type = dovecot
smtpd_sasl_path = private/auth
smtpd_sasl_auth_enable = yes
broken_sasl_auth_clients = yes
smtpd_sasl_authenticated_header = yes
smtpd_recipient_restrictions = permit_mynetworks, permit_sasl_authenticated, reject_unauth_destination
smtpd_use_tls = yes
smtpd_tls_cert_file = /root/key/mail.myhost.com.crt
smtpd_tls_key_file = /root/key/mail.myhost.com.key
virtual_create_maildirsize = yes
virtual_maildir_extended = yes
proxy_read_maps = $local_recipient_maps $mydestination $virtual_alias_maps $virtual_alias_domains $virtual_mailbox_maps $virtual_mailbox_domains $relay_recipient_maps $relay_domains $canonical_maps $sender_canonical_maps $recipient_canonical_maps $relocated_maps $transport_maps $mynetworks $virtual_mailbox_limit_maps
virtual_transport = dovecot
dovecot_destination_recipient_limit = 1