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The basic settings section includes many basic parameters necessary for the operation of a mail server on the Internet. Main mail domain. Points the server to its mail domain for which it should receive and process emails. All user mailboxes will belong to ...

Configuring the mail web interface to work on the local and external interface of SafeUTM. 1. In order for webmail to work on the local interface, you need to activate the Webmail setting in Mail Relay -> General settings.2. To work on the external interfac...

If SafeUTM has an external IP address, a domain is registered to it, and the necessary records are configured with the registrar and provider, but you want another server to handle the sending and delivery of mail (for example, a pre-configured Exchange server...

Advanced Settings section consists of three subsections: General, Security, and DKIM-signature. General External SMTP relay. All outgoing mail will be sent to the specified address. It is used, for example, if mail must pass through the provider's upstream...

To create a mail server, you will need a domain name. You can register it with your Internet service provider or directly with the registrar. After you register a domain name, you will need to make changes to the zone description on the DNS server (at the d...

Rules section consists of three subsections: Forwarding, Permitted addresses, and Forbidden addresses. Forwarding Allows you to configure mail forwarding on the server using mail aliases. Aliases, unlike mailboxes, do not require logins and passwords, they...

Setting up mail forwarding rules (aliases) To create and edit mail forwarding rules (aliases), go to Mail Relay -> Rules -> Forwarding. Mail aliases differ from mailboxes in that they do not require logins and passwords. They are assigned to a mailbox and ...

Allows you to manage the queue of mail that for some reason cannot be sent or received right now. The module allows you to manage both incoming and outgoing deferred correspondence. To analyze possible reasons for the delay of correspondence in the queue, you ...

Configuration and examples of settings for popular email clients. It is not possible to connect from the Internet with Outlook (any version) via POP3 protocol. Outlook does not support STARTTLS encryption type for POP3, but only supports outdated and insecu...

Besides mail filters, other services are involved in filtering mail traffic on SafeUTM. The complete scheme and sequence of filtering are shown in the diagram. The white list in the mail settings ensures the passage of emails without filtering, starting fr...

Access from LAN to External Network without NAT If necessary (as a rule, when SafeUTM is located inside a LAN, and not on the border with the Internet), it is possible to organize direct access to some resources of networks external to SafeUTM without using...

Publication of web servers is possible through a reverse proxy server.

Use portmapping to forward their entire range from 0 to 65535 to get the effect of presence of a local server on an external IP address.

It is often necessary to configure the server so that it provides access to a network service running on a network device in LAN with a private (gray) IP address, that is, publish the service (or network service) on the Internet. Publishing a service availabl...

Updating the server is possible exclusively over the network. It is not possible to upgrade using an installation disk or USB flash drive. Automatic Update Automatic update parameters are configured in Server Management -> Automatic update. Field Defer ...

It is necessary for the full operation of SafeUTM after installation. To register a server, the Internet must be available on it (be sure to set up a connection to the Internet provider before registration). After that, please contact your manager or techn...

Backup Providing users with stable access to the Internet is the main task solved by the Internet gateway. However, sometimes there are situations that lead to system failures and subsequent disruption of Internet access. Depending on the complexity of the fa...

In order for the technical support service to connect to your server remotely, you need to enable the remote assistant mode. Operation of the server in this mode does not affect users' work. To enable the remote assistant mode, click on the assistant icon i...