Hi,

Great to hear about your story. 

You did great so far. But if you want to have an on-premises email server you need to ensure the following things: 

1. Domain and DNS records: You need a domain.  You can publish the DNS records on your providers' nameservers or any free public nameserver. This is how you can manage the DNS records.

2. Server Hardware: You need physical server hardware that meets the minimum requirements for the email solution.

3. IP address: It is recommended that your server have a dedicated & fixed public IP address. However, if your server contains a private IP address, you may need port forwarding at your router or provider's end.

4. Accessibility: You can access your mailboxes via IMAP/POP using webmail or any third-party app (e.g., Outlook, Thunderbird, etc.) and send emails using SMTP.

5. Additional Information: It is not recommended to send high-volume bulk/promotional emails using your email server. 

I hope it helps.

Regards,

Sharif

we are a small company and are currently looking for a new communication solution. The Internet presence is hosted externally (shared hosting, no co-location) and file servers are located in-house without a cloud connection. E-mails are processed via the Internet provider and we access them via IMAP using a DSL connection with a dynamic IP, i.e. there is no fixed IP (only a DynDNS connection from outside) and the MX record for the domain runs on the provider. Can Carbonio CE be operated in such a way that it is installed locally and accesses the IMAP folders of the provider and can send via SMTP?

Regards, Niko