Looks like many universities (like University of British Columbia) allocate alumni e-mails to students, so this detection has false positives unfortunately.

lib/domains/blacklist.txt

@@ -5,3 +5,4 @@ maricopa.edu
 cet.edu
 australia.edu
 alumni.nottingham.ac.uk
+alumni.cmu.edu

src/swot/Swot.kt

@@ -1,19 +1,8 @@
 package swot
 
 fun isAcademic(email: String): Boolean {
-    return when {
-        email.contains("@alumni."),
-        email.contains("@alumnus."),
-        email.contains("@alum")
-                && email.endsWith(".edu")
-                && !email.contains("@alumno")
-                && !email.contains("@alumnes")-> false
-
-        else -> {
-            val parts = domainParts(email)
-            !isBlacklisted(parts) && (isUnderTLD(parts) || findSchoolNames(parts).isNotEmpty())
-        }
-    }
+    val parts = domainParts(email)
+    return !isBlacklisted(parts) && (isUnderTLD(parts) || findSchoolNames(parts).isNotEmpty())
 }
 
 fun findSchoolNames(emailOrDomain: String): List<String> {

test/swot/SwotTest.kt

@@ -52,15 +52,4 @@ class SwotTest : TestCase() {
         assertEquals("St. Petersburg State University", findSchoolNames("max@spbu.ru ").single())
         assertEquals(0, findSchoolNames("foo@shop.com").size())
     }
-
-    fun testAlumniDomains() {
-        assertTrue(isAcademic("me@alumnes.ub.edu"))  // University of Barcelona. Alumnes means students in Catalan
-        assertTrue(isAcademic("me@alumnos.uva.es"))  // In Spanish this means... Students!!
-        assertTrue(isAcademic("me@alumno.ipn.mx"))   // one student (from Mexico)
-        assertTrue(isAcademic("me@alum.us.es"))    // That might be shorter...
-        assertFalse(isAcademic("me@alum.mit.edu"))   // But MIT is neither Spanish nor Catalan entry
-        assertFalse(isAcademic("me@alumnus.tue.nl")) // In Dutch this means... Graduate!!
-        assertFalse(isAcademic("me@alumnimail.utdallas.edu"))   // Good try.
-        assertTrue(isAcademic("me@alumail.uji.es"))   // Yet this one shall pass.
-    }
 }