diff --git a/src/govoplan_campaign/backend/router.py b/src/govoplan_campaign/backend/router.py
index 84541ac..8253427 100644
--- a/src/govoplan_campaign/backend/router.py
+++ b/src/govoplan_campaign/backend/router.py
@@ -95,6 +95,9 @@ from govoplan_campaign.backend.db.models import (
     CampaignVersion,
     CampaignVersionWorkflowState,
     ImapAppendAttempt,
+    JobImapStatus,
+    JobQueueStatus,
+    JobSendStatus,
     RecipientImportMappingProfile,
     SendAttempt,
 )
@@ -358,7 +361,11 @@ def _campaign_mail_profile_id(raw_json: dict[str, object] | None) -> str | None:
 
 def _require_mail_profile_use_if_needed(principal: ApiPrincipal, raw_json: dict[str, object] | None) -> None:
     if _campaign_mail_profile_id(raw_json) and not has_scope(principal, "mail:profile:use"):
-        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Missing scope: mail_servers:use")
+        raise HTTPException(status_code=status.HTTP_403_FORBIDDEN, detail="Missing scope: mail:profile:use")
+
+
+def _campaign_response_context(principal: ApiPrincipal) -> dict[str, bool]:
+    return {"include_diagnostics": has_scope(principal, "campaigns:diagnostic:read")}
 
 
 def _campaign_version_detail_response(
@@ -458,6 +465,23 @@ def _require_campaign_profile_use_if_needed(
     _require_mail_profile_use_if_needed(principal, version.raw_json if isinstance(version.raw_json, dict) else {})
 
 
+def _require_campaign_versions_profile_use(
+    session: Session,
+    principal: ApiPrincipal,
+    campaign_id: str,
+    version_ids: set[str],
+) -> None:
+    """Authorize every historical version affected by a campaign-wide action."""
+
+    for version_id in sorted(version_ids):
+        _require_campaign_profile_use_if_needed(
+            session,
+            principal,
+            campaign_id,
+            version_id,
+        )
+
+
 def _get_version_for_principal(
     session: Session,
     version_id: str,
@@ -3200,6 +3224,18 @@ def resume_campaign(
     principal: ApiPrincipal = Depends(require_scope("campaigns:campaign:control")),
 ):
     _get_campaign_for_principal(session, campaign_id, principal, write=True)
+    version_ids = {
+        row[0]
+        for row in session.query(CampaignJob.campaign_version_id)
+        .filter(
+            CampaignJob.tenant_id == principal.tenant_id,
+            CampaignJob.campaign_id == campaign_id,
+            CampaignJob.queue_status == JobQueueStatus.PAUSED.value,
+        )
+        .distinct()
+        .all()
+    }
+    _require_campaign_versions_profile_use(session, principal, campaign_id, version_ids)
     try:
         result = resume_campaign_jobs(session, tenant_id=principal.tenant_id, campaign_id=campaign_id)
         audit_from_principal(session, principal, action="campaign.resumed", object_type="campaign", object_id=campaign_id, details=result, commit=True)
@@ -3232,7 +3268,23 @@ def append_sent(
 ):
     _get_campaign_for_principal(session, campaign_id, principal, write=True)
     payload = payload or AppendSentRequest()
-    _require_campaign_profile_use_if_needed(session, principal, campaign_id)
+    version_ids = {
+        row[0]
+        for row in session.query(CampaignJob.campaign_version_id)
+        .filter(
+            CampaignJob.tenant_id == principal.tenant_id,
+            CampaignJob.campaign_id == campaign_id,
+            CampaignJob.send_status.in_(
+                [JobSendStatus.SMTP_ACCEPTED.value, JobSendStatus.SENT.value]
+            ),
+            CampaignJob.imap_status.in_(
+                [JobImapStatus.PENDING.value, JobImapStatus.FAILED.value]
+            ),
+        )
+        .distinct()
+        .all()
+    }
+    _require_campaign_versions_profile_use(session, principal, campaign_id, version_ids)
     try:
         result = enqueue_pending_imap_appends(
             session,
diff --git a/tests/test_mail_profile_boundary.py b/tests/test_mail_profile_boundary.py
index 4e04b79..b1a1780 100644
--- a/tests/test_mail_profile_boundary.py
+++ b/tests/test_mail_profile_boundary.py
@@ -1,7 +1,7 @@
 from __future__ import annotations
 
 from types import SimpleNamespace
-from unittest.mock import patch
+from unittest.mock import call, patch
 
 import pytest
 from fastapi import HTTPException
@@ -228,3 +228,21 @@ def test_fork_inherited_profile_requires_mail_profile_use_scope() -> None:
 
     assert captured.value.status_code == 403
     fork.assert_not_called()
+
+
+def test_campaign_wide_effect_authorizes_every_affected_version() -> None:
+    session = object()
+    principal = SimpleNamespace(tenant_id="tenant-1")
+
+    with patch.object(router, "_require_campaign_profile_use_if_needed") as require_profile:
+        router._require_campaign_versions_profile_use(  # noqa: SLF001 - security boundary regression test
+            session,  # type: ignore[arg-type]
+            principal,  # type: ignore[arg-type]
+            "campaign-1",
+            {"version-2", "version-1"},
+        )
+
+    assert require_profile.call_args_list == [
+        call(session, principal, "campaign-1", "version-1"),
+        call(session, principal, "campaign-1", "version-2"),
+    ]