Toolbox Cloud E-mail

I accidentally deleted all of my e-mails! What can I do to restore them?

Software Horde Nextcloud Roundcube Thunderbird

If all e-mails have been deleted by mistake, a simple e-mail to is sufficient and we will restore your mail account.


If you are experiencing problems with receiving or sending emails in your email client (e.g. Thunderbird), please check the server settings again first, especially those of the outbox server. Here you can find the necessary information.

If problems still occur, this may be caused by installed antivirus programs or the firewall.
To check this, you can temporarily deactivate the antivirus program. If the sending process then works, the manufacturer can normally provide information on how to add exception rules for the email client.

The same procedure can be followed with the firewall. Here are the commands for the most common operating systems. If the firewall turns out to be the culprit, exception rules can be added to the firewall.

Ubuntu, Debian

sudo systemctl stop ufw

To see whether the firewall is active or not, use the following command.

sudo ufw status systemctl status firewalld

Fedora, CentOS

sudo systemctl stop firewalld

To see whether the firewall is active or not, use the following command.

sudo systemctl status firewalld

Windows: Official Windows Support

MacOS: Official Apple Support

If you still know your current password and want to change it to something else, please go to and log in with your current passwort. Under “Gear” Password you can change your password.
In case you lost/forgot your password, please proceed to the following question.

The following rules apply to the new password:

  • at least 6 characters
  • at least 1 digit

IMPORTANT: You e-mail account and your servus cloud account are connected: Changing your mail password also changes your cloud password.

To being able to receive a new password in case of loss, in you can specify an e-mail address to which the new password should be sent to under “Gear” Preferences Global Preferences Account Password. Please note: The e-mail address to be configured must not be linked to the same account, otherwise the new password will not reach you.

If “Gear” Preferences Global Preferences Account Password has been configured, the password can be reset at

In case you did not specify an e-mail address in advance you need to contact us via so we can set a new password for you.

IMPORTANT: You e-mail account and your servus cloud account are connected: Changing your mail password also changes your cloud password.

By default every user is given 10 GB space. Of course if you really are in need of it on a regular basis, we will gladly raise the limit!

But please note that normally we kindly ask our members to reconsider how critical all the data they would like to keep on cloud is, before asking for an expansion. Also if it’s really necessary for their daily use for collaboration and important data.

As for the time being is not intended to be a data-storage solution for large archives, but rather for important documents and collaboration focused content for day-to-day workloads.

Even though we would love to offer unlimited storage to all our members, because of the limitations we have within the data center, it is not a sustainable or a realistic scenario for what we can currently offer.

You can drop an e-mail to and request an increase if necessary.

Sure, you can also communicate encrypted in the cloud webmail. For this you need the browser extension Mailvelope. Mailvelope is available for Firefox, Chrome (also for Vivaldi) and Edge. Besides the key management you have to make sure to add servus to the preconfigured e-mail providers. To send an encrypted reply, you don’t click on the blue “Reply” button at the very bottom as usual, but there is a transparent button in the middle of the message that triggers a pop-up window to send an encrypted or signed message.

No, we did not enable server-side encryption. And this is for three main reasons:

  1. It was still in an experimental phase until very recently.
  2. It requires more server-side processing power.
  3. It is possible for you to make use of end-to-end encryption using the new versions of the clients.

This way we can make sure that for the average user there is no extra layer of complexity. And in case of a recovery from a disaster scenario, there aren’t additional potential issues.

For users who require encryption because of sensitive information: we are currently testing out the new production ready end-to-end encryption feature. Once it is enabled we will update the documentation on how to set it up.
In the meantime you can use a solution like VeraCrypt in order to encrypt folders and only decrypt them locally on your device while only synchronizing encrypted data.

Yes, you can connect to the cloud service via WebDav in your file browser.

Type: SecureWebDAV(HTTPS)
Folder or path: /remote.php/webdav/

User details:
Username: m_name
Password: The password you use to retrieve your mail.

Or on the other hand you can install desktop clients that automatically synchronize a folder in your file system with Nextcloud. See

Yes. You must provide a folder with the appropriate sharing rights and send the link to the specific person or group. Read more here.

Probably your file is too big. If you are uploading via the web interface files must not be larger than 512 MB. Otherwise you can use the desktop client, which does not have any upload limits. To avoid errors while uploading, we also recommend using the desktop client when dealing with many or large files.

Multiple files are downloaded from the servus cloud in archive form as .zip (top right download button). Under Mac OSX and Windows (older than Windows 7) it can happen that these .zip files are not recognized correctly and cannot be unpacked. Only additional programs like 7-Zip can help. For OSX there is also keka which uses 7-Zip as a basis.

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