diff --git a/requirements.txt b/requirements.txt
index 9098faf..ce42f03 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -14,10 +14,13 @@ asyncpg>=0.29
 # Validation / Settings
 pydantic>=2.5
 pydantic-settings>=2.1
+email-validator>=2.0
 
 # Auth
 passlib[bcrypt]==1.7.4
 bcrypt==4.0.1
+python-jose[cryptography]>=3.3
+cryptography>=42.0
 
 # Redis / Job Queue
 redis>=5.0
@@ -26,6 +29,14 @@ arq>=0.25
 # File I/O
 aiofiles>=23.2
 
+# Email (IMAP/SMTP)
+aioimaplib>=1.0
+aiosmtplib>=3.0
+pgpy>=0.6
+
+# HTML sanitization
+nh3>=0.2
+
 # Templates (optional)
 jinja2>=3.1
 greenlet>=3.0