add the other rejection reason

src/registrar/assets/js/get-gov-admin.js

@@ -339,6 +339,10 @@ function enableRelatedWidgetButtons(changeLink, deleteLink, viewLink, elementPk,
     }
 
     // Listen to Back/Forward button navigation and handle rejectionReasonFormGroup display based on session storage
+
+    // When you navigate using forward/back after changing status but not saving, when you land back on the DA page the
+    // status select will say (for example) Rejected but the selected option can be something else. To manage the show/hide
+    // accurately for this edge case, we use cache and test for the back/forward navigation.
     const observer = new PerformanceObserver((list) => {
         list.getEntries().forEach((entry) => {
           if (entry.type === "back_forward") {

src/registrar/migrations/0070_domainapplication_rejection_reason.py

@@ -27,6 +27,7 @@ class Migration(migrations.Migration):
                     ),
                     ("organization_eligibility", "Organization isn't eligible for a .gov"),
                     ("naming_requirements", "Naming requirements not met"),
+                    ("other", "Other"),
                 ],
                 null=True,
             ),

src/registrar/models/domain_application.py

@@ -363,6 +363,7 @@ class DomainApplication(TimeStampedModel):
         )
         ORGANIZATION_ELIGIBILITY = "organization_eligibility", "Organization isn't eligible for a .gov"
         NAMING_REQUIREMENTS = "naming_requirements", "Naming requirements not met"
+        OTHER = "other", "Other"
 
     # #### Internal fields about the application #####
     status = FSMField(

src/registrar/templates/emails/status_change_rejected.txt

@@ -8,8 +8,9 @@ REQUEST RECEIVED ON: {{ application.submission_date|date }}
 STATUS: Rejected
 
 ----------------------------------------------------------------
-
-REJECTION REASON{% if application.rejection_reason == 'domain_purpose' %}
+{% if application.rejection_reason != 'other' %}
+REJECTION REASON{% endif %}
+{% if application.rejection_reason == 'domain_purpose' %}
 Your domain request was rejected because the purpose you provided did not meet our 
 requirements. You didn’t provide enough information about how you intend to use the 
 domain. 
@@ -63,6 +64,17 @@ general public. Learn more about naming requirements for your type of organizati
 YOU CAN SUBMIT A NEW REQUEST
 We encourage you to request a domain that meets our requirements. If you have 
 questions or want to discuss potential domain names, reply to this email.
+{% elif application.rejection_reason == 'other' %}
+YOU CAN SUBMIT A NEW REQUEST
+If your organization is eligible for a .gov domain and you meet our other requirements, you can submit a new request.
+
+Learn more about:
+- Eligibility for a .gov domain <https://get.gov/domains/eligibility>
+- Choosing a .gov domain name <https://get.gov/domains/choosing>
+
+
+NEED ASSISTANCE?
+If you have questions about this domain request or need help choosing a new domain name, reply to this email.
 {% endif %}
 
 THANK YOU

src/registrar/tests/test_admin.py

@@ -712,6 +712,34 @@ class TestDomainApplicationAdmin(MockEppLib):
             self.assert_email_is_accurate("Congratulations! Your .gov domain request has been approved.", 1, EMAIL)
             self.assertEqual(len(self.mock_client.EMAILS_SENT), 2)
 
+    def test_save_model_sends_rejected_email_other(self):
+        """When transitioning to rejected on a domain request, an email is sent
+        explaining why when the reason is other."""
+
+        with less_console_noise():
+            # Ensure there is no user with this email
+            EMAIL = "mayor@igorville.gov"
+            User.objects.filter(email=EMAIL).delete()
+
+            # Create a sample application
+            application = completed_application(status=DomainApplication.ApplicationStatus.IN_REVIEW)
+
+            # Reject for reason NAMING_REQUIREMENTS and test email including dynamic organization name
+            self.transition_state_and_send_email(
+                application,
+                DomainApplication.ApplicationStatus.REJECTED,
+                DomainApplication.RejectionReasons.OTHER,
+            )
+            self.assert_email_is_accurate(
+                "Choosing a .gov domain name", 0, EMAIL
+            )
+            self.assertEqual(len(self.mock_client.EMAILS_SENT), 1)
+
+            # Approve
+            self.transition_state_and_send_email(application, DomainApplication.ApplicationStatus.APPROVED)
+            self.assert_email_is_accurate("Congratulations! Your .gov domain request has been approved.", 1, EMAIL)
+            self.assertEqual(len(self.mock_client.EMAILS_SENT), 2)
+
     def test_transition_to_rejected_without_rejection_reason_does_trigger_error(self):
         """
         When transitioning to rejected without a rejection reason, admin throws a user friendly message.