Postfix: Tips postfix 服務啟動/停止/重新載入 postfix check postfix start postfix stop postfix reload postfix flush postconf - 不用編輯 main.cf 的設定方法 列出設定參數 postconf -n 修改參數*不需要重啟服務* postconf -e "relayhost = [192.168.10.10]:587" \ "smtp_sasl_auth_enable = yes" \ "smtp_sasl_security_options = noanonymous" \ "smtp_sasl_password_maps = hash:/etc/postfix/sasl_passwd" \ "smtp_use_tls = yes" \ "smtp_tls_security_level = encrypt" \ "smtp_tls_note_starttls_offer = yes" 移除參數 postconf -# smtp_use_tls Test SMTP Swaks is a featureful, flexible, scriptable, transaction-oriented SMTP test tool written and maintained by John Jetmore. It is free to use and licensed under the GNU GPLv2. 外部網站 How to configure AWS SES with Postfix MTA