SSL certificate verification fails on your server.

Ask your host to unblock TCP connections on ports 587, 995 and/or 993

required ports are blocked on your server's firewall.

Password error: Web login requiredĮrror: 0 could not connect to the host '' Your username and/or password are not correct, double-check them ad remember passwords are CaSe SeNSiTiVe! Password error: Username and password not accepted. You may need to use a Google App Password instead of your Google password.Īlso, try logging in with your Google account here to unlock it for application access.Ĭlick the 'Continue' button to Allow access to your Google account. In that case, you will need to, in order to integrate Gmail with HESK, find another host or try the HESK cloud. Some hosting companies will not do that due to their policies. Ask your host to configure the firewall to allow TCP connections on ports 587, 995, and/or 993. Required ports are probably blocked on your server's firewall. If not, Gmail will send all existing (even read) messages to HESK when it first connects.

Important: make 100% sure that ' POP3 download' in your Gmail settings is set to ' Enable POP for mail that arrives from now on'. To fetch mail from the Gmail server using POP3 enter these details: To fetch mail using IMAP from the Gmail server enter these details: Still no luck? Check with your host if they have port 587 blocked in your firewall.

If you get an authentication error from Google, create & use Google App Passwords

Setting up gmail in outlook 2016