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Mailboxes are hosted on Microsoft Exchange and Exchange Online (Office 365) technology, so e-mail is no longer just a means of sending and receiving simple electronic messages. The basic functions of an e-mail account in combination with the Outlook client are described below.

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Creating a mailbox:

The user logs in at , searches for his person here and searches for the “Exchange online” system in the list of e-mail systems on the Settings> E-mail address settings tab. Click the “Create a new email address” button here. In the dialog, select one of the suggested addresses and click on the “Create” button. The mailbox and address will be created according to the instructions in the dialog box, usually within a few hours.

Instructions for setting up the mailbox can be found in the manual .  

Choice of e-mail address and right to create and use it:
  • The user chooses the form of the e-mail address in the UserMap interface as the first step before creating the mailbox.
  • If the user is entitled to more than one address, he can add them to the created mailbox.
  • Addresses are offered in a format that is allowed.

The right to establish an e-mail box and the right to create the appropriate format of the e-mail address and its subsequent use is given by the rules below according to the decision of the faculties and components.


* if the form Name.Surname@ is already used, the user will be offered the form Name.Surname.Number@. If the user has more than one name and / or more than one surname, he can choose one combination of these names and surnames.
Users of the addresses,, cannot have these addresses listed at mailboxes in Exchange.
CTU Person – All staff, students and partners.
Worker – see
– see
– see
Recipient address – the address to which e-mails are delivered.
Sender address– the address under which the user sends e-mails.

Mailbox operation

If you already have a mailbox set up on the Exchange system, the rule applies that even if the format of your sending address has changed, mail addressed to your former email addresses will still be delivered to your current mailbox.

Block user access to the mailbox:
  • automatically after the end of the claim to the last shipping address that the user has created,
  • at the request of the manager and / or at the discretion of the system administrator in the event of an incident.

When mailbox access is blocked, e-mail forwarding and redirection rules are automatically deleted. At the same time, an auto-reply rule is set up, which sends this e-mail to the author after the e-mail is delivered to the author:
Automatic reply: The e-mail box is blocked according to the organization’s rules and the user does not have access to it.
Automatic reply: The e-mail box is blocked according to the organization’s rules and the user does not have access to it.

To unblock user access to the mailbox:

To unblock the mailbox, you must first meet the condition below, before you can unblock the e-mail box.

  • Condition to have a shipping address – if you do not meet it, follow the section Choosing an e-mail address.
  • When the conditions are met, click the unblock button.
  • If you have any rules set on your mailbox, set them again.

The instructions will also help you in unblocking . 

Cancelling a mailbox:
  • automatically after 400 days from the end of the last relationship with CTU.
Connection configuration:

Microsoft backs up the service in the event of a global failure. You can find more information on this page.
VIC ČVUT does not back up data in the Microsoft Exchange online environment (Office 365) for the needs of individual recovery requests. 

E-mail services operated at CTU are governed by the rules enshrined in the Rector’s Order No. 7/2021 “Rules of operation and use of e-mail services at CTU” (In Czech only). One of the important rules stated in this order is the prohibition of forwarding emails addressed to mailboxes maintained at CTU.

E-mail access from web and apps

E-mail can be accessed via any browser using the web interface: Exchange online (Office 365). It is also possible to use desktop applications such as Microsoft Outlook (Windows, Mac), Mail (Mac), Mozilla Thunderbird (Windows, Mac, Linux) or native applications for mobile devices iOS, Android, Windows Phone. If you want to use an e-mail client, import the accounts according to the e-mail client settings.

Configuration E-mail Clients:

Here are the basic instructions for some operating systems and their versions and client versions. However, we primarily support the MS Outlook client. We do not provide support for all combinations of OS and client versions.
If you use a different combination of client and OS, set it separately using the configuration parameters listed for the type of mailbox you are using, either within the MS Exchange (on premise) or MS Office 365 solution.

The following instructions are used as a sample configuration value for MS Exchange, if you are configuring an Exchange online mailbox (Office 365), use the correct values ​​in the  Mailbox – Exchange Online (Office 365) drop-down page in the Mailbox Configuration section  .

Mobile Devices:
Desktop Clients:
OS Android:
Outlook App
​​iOS – Apple iPad, Apple iPhone:
Default application
Outlook App


Content owner: CIC - Department of Integration and Coordination (81370) , Last change: 11.11.2022