http://ln.ht/_/images/favicon-4c526c32c48400028d7739cac47cd2a3.svg?vsn=d http://ln.ht/_/feed/mx 2026-07-25T02:23:09.110202Z tmfnk https://ln.ht/~tmfnk <p> Interactive map showing the email providers of all ~2,100 Swiss municipalities, based on DNS analysis of MX and SPF records.</p> https://mxmap.ch/ 2026-04-23T09:17:01Z poyu https://ln.ht/~poyu https://thesephist.com/posts/hyperlink/ 2026-03-27T03:21:16Z julienxx https://ln.ht/~julienxx <p> I’m in the process of taking back control of my email hosting situation and I needed a backup mx infrastructure to handle receiving mails if my primary mail server (hosted at home) is unavailable for any reason. Ideally it should be as simple as possible to avoid any configuration mistakes …</p> https://blog.feld.me/posts/2025/05/backup-mx-with-opensmtpd/ 2025-05-03T16:06:13Z mlb https://ln.ht/~mlb <p> How to setup DNS records to ensure that domains that do not send email cannot be used for spoofing.</p> https://www.gov.uk/guidance/protect-domains-that-dont-send-email 2021-01-04T15:38:20Z pyrho https://ln.ht/~pyrho http://rscott.org/dns/ 2009-05-06T19:51:25Z