You have to replace the incoming and outgoing email server with the one that you are actually using.
You can see that when you creating emails.
It might be email1.guru-host.eu, email2.guru-host.eu or email3.guru-host.eu. One of them.
#############################
Email server type: IMAP
#############################
email address: your email like admin@guru-host.eu
username: your email like admin@guru-host.eu
password: your password
Incoming email server: email1.guru-host.eu and port 993
Outgoing email server: email1.guru-host.eu and port 587
Use SSL to connect checked
#############################
Email server type: POP
#############################
email address: your email like admin@guru-host.eu
username: your email like admin@guru-host.eu
password: your password
ncoming email server: email1.guru-host.eu and port 995
Outgoing email server: email1.guru-host.eu and port 587
Use SSL to connect checked
