release: 1.9.0

Application client IP allow-list restricts which addresses may submit as a SASL login; level-2 rate limits override the domain ceiling per application (higher or lower, capped at L1). Migration 0009, authips form, milter enforcement, export/import, and operator docs.

Co-authored-by: Cursor <cursoragent@cursor.com>

internal/web/view/templates/settings.html

@@ -128,9 +128,10 @@ every other session; this one stays signed in.</p>
   <p class="muted">Optional ceiling for <em>all</em> senders on a domain. When
   unset, only level&nbsp;1 applies. Must be ≤ level&nbsp;1.</p>
 
-  <label>Level 2 — application (trusted IPs)</label>
-  <p class="muted">Optional override: list client IPs and a ceiling
-  <em>strictly above</em> the domain limit (still ≤ level&nbsp;1). Those IPs
-  skip the domain check; everyone else stays under the domain (or level&nbsp;1).</p>
+  <label>Level 2 — application</label>
+  <p class="muted">Overrides the domain limit for one application. The ceiling
+  may be <em>above or below</em> the domain setting (≤ level&nbsp;1). When unset,
+  the domain limit or level&nbsp;1 applies. Independent of the client IP
+  allow-list.</p>
 </div>
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