Tested and fixed multiple email inputs.

main.py

@@ -30,12 +30,19 @@ def serve(receiver_email: str = None, check_interval: int = 24):
 
 @app.command()
 def now(receiver_email: str = None):
-    if not receiver_email:
-        receiver_email = [email.strip() for email in receiver_email.split(",")]
+    # Comma seperate
+    # FIXME: Fix if nonetype
+    receiver_emails = []
+    if receiver_email:
+        if "," in receiver_email:
+            receiver_emails = [email.strip() for email in receiver_email.split(",")]
+        else:
+            receiver_emails = [receiver_email.strip()]
+        
     """
     Checks for apt upgrades and emails them then exits.
     """
-    generate_email(receiver_email)
+    generate_email(receiver_emails)
     
 def generate_email(receiver_email: list):
     services.apt.require_root()
@@ -44,6 +51,22 @@ def generate_email(receiver_email: list):
         exit(1)
     updates = services.apt.check_updates()
     
+    # For testing
+    #updates = {
+    #    "vim": {
+    #        "installed_version": "8.2.3400",
+    #        "latest_version": "8.2.3400",
+    #        "repo": "universe",
+    #        "security": True
+    #    },
+    #    "vim-gtk3": {
+    #        "installed_version": "8.2.3400",
+    #        "latest_version": "8.2.3400",
+    #        "repo": "universe",
+    #        "security": False
+    #    }
+    #}
+    
     if exists(join(dirname(__file__), "users.json")):
         with open(join(dirname(__file__), "users.json"), "r") as f:
             users = json.load(f)

services/mail.py

@@ -44,7 +44,7 @@ def send_email(receiver_emails, subject, body):
     try:
         with smtplib.SMTP_SSL(SMTP_SERVER, SMTP_PORT) as server:
             server.login(SMTP_USERNAME, SMTP_PASSWORD)
-            server.sendmail(sender_email, ", ".join(receiver_emails), message.as_string())
+            server.sendmail(sender_email, receiver_emails, message.as_string())
         print("HTML email sent successfully!")
     except Exception as e:
         print(f"Failed to send email: {e}")