Handle exceptions when sending mail

web/system.py

@@ -21,6 +21,7 @@ import ldap3
 from . import db
 
 def mail(rcpt, subject, body):
+    try:
         msg = email.message.EmailMessage()
         msg['Subject'] = f'friwall: {subject}'
         msg['From'] = f'{getpass.getuser()}@{socket.getfqdn()}'
@@ -28,6 +29,8 @@ def mail(rcpt, subject, body):
         msg.set_content(body)
         with smtplib.SMTP('localhost') as server:
             server.send_message(msg)
+    except Exception as e:
+        syslog.syslog(f'error sending mail: {e}')
 
 def init_app(app):
     app.cli.add_command(generate)