diff --git a/src/teampulse/monitor.py b/src/teampulse/monitor.py
index 92c7cf0..2dc49c5 100644
--- a/src/teampulse/monitor.py
+++ b/src/teampulse/monitor.py
@@ -5,10 +5,13 @@ from playwright.sync_api import Page
 
 from teampulse.models import AuditEntry, AuditWindow, ChatMessage
 
-# Discovered via scripts/discover_dom.py — update if Teams web changes
+# Selectors verified against Teams Web DOM (2026-05-17)
+# _MSG_SELECTOR: individual user chat messages (not system events)
+# _SENDER_SELECTOR: author name inside each message
+# _PROFILE_EMAIL_SELECTOR: mailto link inside Live Persona Card (.lpc_ip_root_class)
 _MSG_SELECTOR = "[data-tid='chat-pane-message']"
 _SENDER_SELECTOR = "[data-tid='message-author-name']"
-_PROFILE_EMAIL_SELECTOR = "[data-tid='persona-card-email']"
+_PROFILE_EMAIL_SELECTOR = ".lpc_ip_root_class a[href*='mailto:']"
 
 _START_RE = re.compile(r'^!start(?:\s+"([^"]*)")?$', re.IGNORECASE)
 _STOP_RE = re.compile(r'^!stop$', re.IGNORECASE)
diff --git a/src/teampulse/resolver.py b/src/teampulse/resolver.py
index 7da4d0d..8b5803f 100644
--- a/src/teampulse/resolver.py
+++ b/src/teampulse/resolver.py
@@ -52,7 +52,12 @@ class Resolver:
             target.click()
             self._page.wait_for_selector(_PROFILE_EMAIL_SELECTOR, timeout=5000)
             email_el = self._page.query_selector(_PROFILE_EMAIL_SELECTOR)
-            email = email_el.inner_text().strip() if email_el else None
+            email = None
+            if email_el:
+                email = email_el.inner_text().strip()
+                if not email or "@" not in email:
+                    href = email_el.get_attribute("href") or ""
+                    email = href.replace("mailto:", "").strip() or None
             self._page.keyboard.press("Escape")
             time.sleep(0.5)
             return email