{"image_url":null,"title":"SMTP","version":"1.0","provider_url":"https://hatena.blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2019%2F10%2F11%2F011507\" title=\"SMTP - HTN20190109\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://htn20190109.hatenablog.com/","width":"100%","blog_title":"HTN20190109\u306e\u65e5\u8a18","url":"https://htn20190109.hatenablog.com/entry/2019/10/11/011507","published":"2019-10-11 01:15:07","type":"rich","author_name":"HTN20190109","author_url":"https://blog.hatena.ne.jp/HTN20190109/","height":"190","provider_name":"Hatena Blog","description":"Ubuntu (16) apt -y install postfix \u203bNo configuration\u3092\u9078\u629e vim /etc/postfix/main.cf myhostname = mmm151.example.commydomain = example.commyorigin = $myhostnameinet_interfaces = allmydestination = $myhostname, localhost.$mydomain, localhost, $mydomainmynetworks = 192.168.137.0/24,127.0.0.0/8disable_dns_\u2026","categories":["OS"]}