Receiving email is the part nobody warns you aboutIf you're wiring email into an app for the first time, often to give an agent its own inbox, you just want the contents of the message and instead you hit MIME. The moment a feature needs the other diSep 16 · 12 min readmailkite.hashnode.dev
Email to Slack: threading, Block Kit limits, and the duplicate-post trapStart from the mismatch, because every bug in this integration comes out of it. Email hands you a MIME tree, an SMTP envelope, and a Message-ID chain that defines the conversation. Slack hands you a cSep 4 · 15 min readmailkite.hashnode.dev
23 open source email servers for Linux, sorted by the job each one doesMost "best open source mail server" lists put a full-stack Docker bundle and a single SMTP daemon in the same ranked table, as if you'd choose between them. You wouldn't. This is 23 Linux mail projectAug 5 · 18 min readmailkite.hashnode.dev
MailKite Server: our SMTP + IMAP edges are now open sourceTL;DR: the mail-server half of MailKite is now open source: github.com/mailkite/server — the Haraka MX edge, the SMTP submission edge, the IMAP server, a zero-dependency SQLite backend, and a web consAug 4 · 3 min readmailkite.hashnode.dev