后缀：无法分配请求的地址

Question

我有使用 postfix 的应用程序。当我从一个用户向另一个用户发送电子邮件时，效果很好，如您所见

9 月 28 日 14:34:04 webcat-node-77f77644-vhq94 postfix/smtpd[546]：从 localhost[127.0.0.1] 连接 9 月 28 日 14:34:04 webcat-node-77f77644-vhq94:postfix/smtpd[546] EA382280CA4：client=localhost[127.0.0.1] 9 月 28 日 14:34:04 webcat-node-77f77644-vhq94 postfix/cleanup[551]：EA382280CA4：message-id=<504605561.0.0.18561.0.0.15747561.0.1547561.15747561.0.1547561.0.1574Mail vhq94> 9 月 28 日 14:34:04 webcat-node-77f77644-vhq94 postfix/qmgr[146]: EA382280CA4: from=, size=1232, nrcpt=1 (queue active) 9 月 28 日 14:34:04 webcat-node 77f77644-vhq94 postfix/smtpd[546]：从本地主机断开[127.0.0.1] ehlo=1 mail=1 rcpt=1 data=1 quit=1 commands=5 Sep 28 14:34:06 webcat-node-77f77644-vhq9 postfix/smtp[552]: EA382280CA4: to=, relay=smtp.gmail.com[74.125.133.108]:587, delay=1.1, delays=0.01/0.03/0.4/0.69, dsn,=2.0.0.0 (250 2.0.0 OK 1538145246 h71-v6sm1532424wmg.4 - gsmtp) Sep 28 14:34:06 webcat-node-77f77644-vhq94 postfix/qmgr[146]: EA382280CA4: 删除

当有人在我的应用中使用反馈功能时，问题就出现了。

9 月 28 日 14:28:21 webcat-node-77f77644-vhq94 postfix/smtpd[531]：从 localhost[127.0.0.1] 连接 9 月 28 日 14:28:21 webcat-node-77f77644-vhq94:postfix/smtpd[531] A0507280CA4：client=localhost[127.0.0.1] 9 月 28 日 14:28:21 webcat-node-77f77644-vhq94 postfix/cleanup[535]：A0507280CA4：message-id=<634841784.0.0.16-Mail-id=<634841784.0.0.0.17778.0.0.0.177784.0.0.17377778.0.0.0.177878.0.0.173777786478647647786776477280CA4 vhq94> Sep 28 14:28:21 webcat-node-77f77644-vhq94 postfix/qmgr[146]: A0507280CA4: from=, size=702, nrcpt=1 (queue active) Sep 28 14:28:21 webcat-node 77f77644-vhq94 postfix/smtpd[531]：从本地主机断开[127.0.0.1] ehlo=1 mail=1 rcpt=1 data=1 quit=1 commands=5 Sep 28 14:28:21 webcat-node-77f77644-vhq9 postfix/smtp[536]：连接到 smtp.gmail.com[2a00:1450:400c:c06::6c]:587：无法分配请求的地址 Sep 28 14:28:22 webcat-node-77f77644-vhq94 postfix/smtp [536]：A0507280CA4：to=，relay=smtp.gmail.com[74.125.71.108]:587，delay=1.1，delays=0.01/0.02/0.34/0.78，dsn=2.0.0，status=sent（2501 41903 250 OK 4153） u4-v6sm3253917wro.47 - gsmtp) 9 月 28 日 14:28:22 webcat-node-77f77644-vhq94 postfix/qmgr[146]：A0507280CA4：已删除

这是我的内容main.cf：

smtpd_banner = $myhostname ESMTP $mail_name (Debian/GNU)
biff = no

append_dot_mydomain = no

readme_directory = no
compatibility_level = 2

smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtpd_use_tls=yes
smtpd_tls_session_cache_database = btree:${data_directory}/smtpd_scache
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache

smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
myhostname = myDomain
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
mydestination = gdfg, $myhostname, localhost.localdomain, localhost
relayhost = [smtp.gmail.com]:587
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailbox_size_limit = 0
recipient_delimiter = +
inet_protocols = all
inet_interfaces = all
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd
smtp_sasl_security_options = noanonymous
smtp_tls_CAfile = /etc/ssl/certs/ca-certificates.crt
smtp_use_tls = yes
myorigin = /etc/mailname

Answer 1

第二个日志摘录的传递尝试尝试使用IPv6，失败后回退IPv4并成功传递消息。您可以解决您的IPv6主机配置，如果你有IPv6的上游连接，或禁用您的系统上，如果你不使用IPv6，也可以防止postfix使用您的破碎IPv6通过设置inet_protocols = ipv4在main.cf