Notes from building KNJ Panel, in the order it actually happened.
blog /blɒɡ/ noun — 1. A web log. 2. Here: a build log. What we built, what broke, and what we learned.
A custom SabreDAV integration built into the panel itself, for the same reasons as building KNJ Webmail: full control and no second credential store. It was the most…
Read more →A real WAF, not a lightweight pattern-matching substitute: ModSecurity v3 as an nginx dynamic module, running the OWASP Core Rule Set. The target distribution ships no prebuilt package…
Read more →The panel needed a built-in subscriber and marketing email feature, built, tested and proven live, so that account owners can run their own lists without a separate hosted…
Read more →The ninth item off the “genuinely zero” list. The archiving feature itself was the easy part; the story here is two mail-routing bugs caught during live testing on…
Read more →The eighth item off the “genuinely zero” list, a near mirror of Spam Filtering with a different scanner, and a chance to fix a real bug the spam…
Read more →The sixth item off the “genuinely zero” list. The backup service had always written backups to local disk only, deliberately, with an off-site destination documented as a later…
Read more →The fourth item off the “genuinely zero” list. A per-mailbox quota value had existed since mail first shipped, but only as a stored number: set once at creation,…
Read more →The third item off the “genuinely zero” list. Mailbox Storage already showed per-mailbox usage but was purely a display page. A comparable panel’s Email Disk Usage tool goes…
Read more →The second item off the “genuinely zero” list. Comparable panels let a mailbox owner point Thunderbird, Outlook or a phone mail app at their account with just an…
Read more →The first item off the “genuinely zero” list, smallest first. A zone editor in a comparable panel lets an admin download a zone as a standard BIND file…
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