The hevanet.net domain is used for email through Gmail. You can log into Google's webmail (Gmail) with your hevanet.Net credentials if you have a hevanet.Net email address.
Here are Google's mail servers that you should use if you have a hevanet.Net email address and want to set up email using an email client such as Outlook or Mac Mail on a computer, phone, tablet or other device.
Incoming Email
imap.gmail.com
SSL: Yes
Port: 993
Outgoing Email
smtp.gmail.com
SSL: Yes
Port: 465
Google and Gmail are registered trademarks of Google LLC.