Switch from STARTTLS to full TLS for email

compose.yaml

@@ -5,3 +5,4 @@ services:
     volumes:
       - ./config.json:/bot/config.json:ro
     container_name: polybot
+    init: true

src/spam.py

@@ -1,10 +1,8 @@
+import config
 import smtplib
-import ssl
 
 from email.message import EmailMessage
 
-import config
-
 
 def send_mail(recipient, user_captcha):
     # Create the email to send
@@ -14,12 +12,10 @@ def send_mail(recipient, user_captcha):
     msg["Subject"] = "Verification code for polygl0ts Discord server"
     msg.set_content(f'Hello {recipient}, your verification code is "{user_captcha}"!')
 
-    with smtplib.SMTP(
+    with smtplib.SMTP_SSL(
         host=config.email.smtp_host, port=config.email.smtp_port
     ) as smtp_conn:
         try:
-            # Want a secure connection - use STARTTLS
-            smtp_conn.starttls(context=ssl.create_default_context())
             # Mail go brrrrr
             smtp_conn.login(user=config.email.username, password=config.email.password)
             smtp_conn.sendmail(