Spec: public ihasmail stays Stalwart-facing; INBUXA work goes to an INBUXA fork of ihasmail

docs/spec/SPEC.md

@@ -283,6 +283,16 @@ is written.
 
 ## 5. The web front ends
 
+**Which ihasmail.** Public ihasmail stays Stalwart-facing: its code, docs,
+site and releases serve Stalwart users, and don't mention INBUXA. Everything
+in these specs that changes ihasmail (the contract below, the "ihasmail"
+sections of the feature specs, branding) goes into an **INBUXA-specific fork
+of ihasmail**, until one product can confidently support both servers. In
+this spec, "ihasmail" means that fork unless it says "public ihasmail".
+Improvements that also help Stalwart users can still go to public ihasmail on
+their own merits, framed for Stalwart. (Decided 2026-09-18. The fork's name and
+location are open, §8.)
+
 Decided 2026-09-18: two front ends, each with its own job.
 
 - **ihasmail**: webmail, account self-service, and the day-to-day account and
@@ -495,11 +505,13 @@ before anything that could prompt that notice happens.
 3. Masked addresses already handed out still deliver; archived items still
    restore.
 4. Cutover on the running host, with the Enterprise build kept for rollback.
-5. Only then: public repository, announcement, and ihasmail accepting the
+5. Only then: public repository and announcement, with the INBUXA fork of
-   fork.
+   ihasmail released alongside. Public ihasmail stays Stalwart-facing (§5).
 
 ## 8. Open decisions
 
+- The INBUXA fork of ihasmail: its name, its repository, and how it tracks
+  public ihasmail (§5).
 - Product name: whether the shipped product is called inbuxa-server or
   something else inside the INBUXA brand.
 - The namespace for the fork's own JMAP capabilities.

docs/spec/features/masked-email.md

@@ -217,6 +217,9 @@ masks.
 
 ## ihasmail
 
+These go in the INBUXA fork of ihasmail, not public ihasmail, which stays
+Stalwart-facing (SPEC.md §5).
+
 - A **Masked addresses** section in Settings: the list (address, description,
   site, created, last mail, state), create with an optional description and
   site, copy, switch between enabled, disabled (to Trash) and deleted, and

docs/spec/features/multi-tenancy.md

@@ -241,6 +241,9 @@ Each requirement has an ID, and tests name the IDs they check.
 
 ## ihasmail changes
 
+These go in the INBUXA fork of ihasmail, not public ihasmail, which stays
+Stalwart-facing (SPEC.md §5).
+
 - Drop the "Tenants are a Stalwart Enterprise feature" notice and the edition
   check in front of the Tenants page. Keep `SHOW_ENTERPRISE_NOTICES` for
   talking to upstream Stalwart.

docs/spec/features/undelete.md

@@ -194,6 +194,9 @@ Task type `RestoreArchivedItem`, carrying the `accountId`, the
 
 ## ihasmail
 
+These go in the INBUXA fork of ihasmail, not public ihasmail, which stays
+Stalwart-facing (SPEC.md §5).
+
 - **Recently deleted**, a view in Mail (and in Files, Calendar and Contacts
   for their kinds). It lists what's restorable, newest first, with how long is
   left, searchable, with **Restore** and **Delete forever**. Visible only when