如想用 SMTP 代替 Sendmail 发送email,添加如下相应邮箱服务商的配置到/etc/gitlab/gitlab.rb, 然后运行gitlab-ctl reconfigure使修改生效。 omnibus-gitlab还提供了测试发送邮件功能。
本文后面有一些常用的 SMTP配置示例，可以参考下。前往QQ企业邮箱配置
gitlab_rails[\'smtp_enable\'] = true
gitlab_rails[\'smtp_address\'] = "smtp.server"
gitlab_rails[\'smtp_port\'] = 465
gitlab_rails[\'smtp_user_name\'] = "smtp user"
gitlab_rails[\'smtp_password\'] = "smtp password"
gitlab_rails[\'smtp_domain\'] = "example.com"
gitlab_rails[\'smtp_authentication\'] = "login"
gitlab_rails[\'smtp_enable_starttls_auto\'] = true
gitlab_rails[\'smtp_openssl_verify_mode\'] = \'peer\'
# 如果你使用的SMTP服务是默认的 \'From:gitlab@localhost\'
# 你可以修改这里的 \'From\' 的值。
gitlab_rails[\'gitlab_email_from\'] = \'gitlab@example.com\'
gitlab_rails[\'gitlab_email_reply_to\'] = \'noreply@example.com\'
Example configuration 配置示例
SMTP on localhost
下面的配置仅仅是启用smtp，值为\'false\'则使用默认的设置(sendmail)，启用smtp可用于不提供sendmail接口或者与gitlab不兼容的sendmail 接口的运行MTA的本地服务器，如"Exim"。
gitlab_rails[\'smtp_enable\'] = true
QQ exmail (腾讯企业邮箱)
gitlab_rails[\'smtp_enable\'] = true
gitlab_rails[\'smtp_address\'] = "smtp.exmail.qq.com"
gitlab_rails[\'smtp_port\'] = 465
gitlab_rails[\'smtp_user_name\'] = "xxxx@xx.com"
gitlab_rails[\'smtp_password\'] = "password"
gitlab_rails[\'smtp_authentication\'] = "login"
gitlab_rails[\'smtp_enable_starttls_auto\'] = true
gitlab_rails[\'smtp_tls\'] = true
gitlab_rails[\'gitlab_email_from\'] = \'xxxx@xx.com\'
Office 365
gitlab_rails[\'smtp_enable\'] = true
gitlab_rails[\'smtp_address\'] = "smtp.office365.com"
gitlab_rails[\'smtp_port\'] = 25
gitlab_rails[\'smtp_user_name\'] = "user.name@company.com"
gitlab_rails[\'smtp_password\'] = "secret"
gitlab_rails[\'smtp_domain\'] = "company.com"
gitlab_rails[\'smtp_authentication\'] = "login"
gitlab_rails[\'smtp_enable_starttls_auto\'] = true
gitlab_rails[\'smtp_tls\'] = false
Testing the SMTP configuration 测试配置是否成功
配置完成后可以用Rails控制台验证邮件是否能发送成功。 在GitLab服务器上，执行 gitlab-rails console 进入控制台。 然后在控制台提示符后输入下面的命令 发送一封测试邮件：
irb(main):003:0> Notify.test_email(\'destination_email@address.com\', \'Message Subject\', \'Message Body\').deliver_now
# 示例
Notify.test_email(\'收件人邮箱\', \'邮件标题\', \'邮件正文\').deliver_now
### Email Settings
gitlab_rails[\'smtp_enable\'] = true
gitlab_rails[\'smtp_address\'] = "smtp.139.com"
gitlab_rails[\'smtp_port\'] = 25
gitlab_rails[\'smtp_user_name\'] = "15*****806@139.com"
gitlab_rails[\'smtp_password\'] = "ju*******23"
gitlab_rails[\'smtp_domain\'] = "foo.com"
gitlab_rails[\'smtp_authentication\'] = "login"
gitlab_rails[\'smtp_enable_starttls_auto\'] = true
gitlab_rails[\'smtp_tls\'] = false
# 如果你使用的SMTP服务是默认的 \'From:gitlab@localhost\'
# # 你可以修改这里的 \'From\' 的值。
gitlab_rails[\'gitlab_email_from\'] = \'15*****30406@139.com\'
gitlab_rails[\'gitlab_email_reply_to\'] = \'15****30406@139.com\'
host: 192.168.4.24
port: 80
https: false
重启服务后邮件链接成功转到gitlab服务器 192.168.4.24
参考：https://docs.gitlab.com.cn/omnibus/settings/smtp.html