问题描述
我想做的是（仅）向在我网站上注册的任何人发送验证电子邮件我已经编写了 PHP 代码，而且非常简单
$to = '//my email address for testing ex:[email protected]';
$subject = 'Signup | Verification';
$message = '
//email body
';
$headers = '<From:noreply@[//my Ip address]' . "\r\n";
mail($to,$subject,$message,$headers);
var_dump(mail($to,$headers));
这将返回 bool(true) （正如它应该的那样），但问题是 gmail 没有收到电子邮件。
所以我查看了我的 mail.log（位于 /var/log/mail.log），因为 mail.err 是空的，我收到了这个错误： 连接到 gmail-smtp-in.l.google.com[108.177.127.27]:25：连接超时 与在 gmail-smtp-in.l.google.com 前面添加 alt1/2/3/4 相同，例如：alt1.gmail-smtp-in.l.google.com
这是我当前用于 postfix 的 main.cf :
# 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 $mail_name (Ubuntu)
biff = no
# appending .domain is the MUA's job.
append_dot_mydomain = no
# Uncomment the next line to generate "delayed mail" warnings
#delay_warning_time = 4h
readme_directory = no
# See http://www.postfix.org/COMPATIBILITY_README.html -- default to 2 on
# fresh installs.
compatibility_level = 2
# TLS parameters
smtpd_tls_cert_file=/etc/ssl/certs/ssl-cert-snakeoil.pem
smtpd_tls_key_file=/etc/ssl/private/ssl-cert-snakeoil.key
smtp_tls_security_level = may
smtp_tls_CApath=/etc/ssl/certs
smtp_tls_session_cache_database = btree:${data_directory}/smtp_scache
smtpd_relay_restrictions = permit_mynetworks permit_sasl_authenticated defer_unauth_destination
myhostname = localdomain
#this (localdomain) is set in /etc/hosts to my ip adress
#most of the stuff is set to defualt values such as tls things
alias_maps = hash:/etc/aliases
alias_database = hash:/etc/aliases
myorigin = /etc/mailname
mydestination = $myhostname,pop-os.localdomain,localhost.localdomain,localhost
smtp_sasl_auth_enable = yes
smtp_sasl_password_maps = static:USERNAME:PASSWORD
smtp_sasl_security_options = noanonymous
relayhost =
mynetworks = 127.0.0.0/8 [::ffff:127.0.0.0]/104 [::1]/128
mailBox_size_limit = 0
recipient_delimiter = +
inet_interfaces = loopback-only
inet_protocols = ipv4
这应该是服务器故障吗？我是删除它并张贴在那里还是只是张贴在那里？
解决方法
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