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Open Source Connect Hosting
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Mail

IMAP

You can check your emails from different devices anywhere in the world: your smartphone, a computer, a friend's computer.

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POP3

The emails will be saved on your computer and can only be access on the same computer.

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SMTP

The most commonly used protocol for sending emails.

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JMAP

The new email standard

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Gmail, Yahoo, Outlook/Hotmail freemail, iCloud mail

Connect to your existing email address.

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“Sent by Mustang”

Help us and spread the word about Mustang. Our professional subscribers can remove this signature

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Microsoft Exchange and Office 365 integration

Use your work or school account hosted by Microsoft with Mustang.

EWS

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ActiveSync

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OWA

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We’re hosting your mail.
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Chat

XMPP

A chat protocol that is decentralized, federated, secure, and flexible. Used internally by WhatsApp to exchange data between the users.

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Matrix

A chat protocol that is decentralized and federated.

 soon soon
IRC

The original old school Internet chat.

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Microsoft Teams chat
 later
We’re hosting your messaging server.
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Contacts / Addressbook

Local Personal Addressbook
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Sync using CardDAV and CalDAV
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Microsoft Exchange and Office 365 integration and synchronization using:

EWS

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ActiveSync

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OWA

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Google Workspace and GMail
 later
We are providing your contact synchronization server.
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File Share

E-Mail attachments
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WebDAV

Allows you to collaboratively edit and manage files with other users. It allows you to upload, download, modify and delete files stored on remote servers.

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web.de, GMX, 1&1
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Google drive
 soon
iCloud
 soon
Dropbox
 later
Microsoft Sharepoint
 later
We are hosting your files.
More		 check

Video Conference

Teams
 later
WhatsApp
 later
Jitsi
 later
We’re hosting your video conference server.
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Hosting

Mail

Strict privacy protection laws.

100% German company

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Your own domain

Use your existing domain, or register a new one.

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Optionally, continue to use your existing email provider

You can also continue to use your existing provider and still use video conference and chat included.

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Spam filter
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Spam protection for your outgoing mail

SPF, DKIM, DMARC on your domain, prevent others from pretending to be you.

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Send share file

Easily convert email attachments into shared file links, directly in the email composer.

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IMAP, SMTP
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Chat

We’re hosting your messaging server
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Instant messaging

Communicate seamlessly within your company and teams

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XMPP with TLS
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Chat IDs with your own domain

Chat domain

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Multiple devices

See the same chat messages on multiple devices

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Video Conference

Video conference server,

within your company and with external parties hosted by us.

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Direct calls

Call others in your company directly, simply click the “Call” button on the person or using an calendar appointment.

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Send events during the conference

Create a calendar appointment with external parties, and send them a web-page link to join the conference. If the other parties do not need the app, they only need a recent web browser to join the video conference.

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Invitation through calendar

You only need to create a calendar appointment and invite the persons, and we will take care of the rest.

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Screen sharing

Share your screen or specific windows to work with others, or to make a presentation

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Contacts

Address Books

We are providing your contact synchronization server.

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Sync and managing

We are allow you to sync and display your address books separately.

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Share your contacts with your team mates
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Calendar

Calendar synchronization server,

hosted by us.

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Sync and managing

Sync your calendars across your devices

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Share your calendar with your team mates.

(Either only your availability, or the full details - your choice.)

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File share

Share files with your team

we are hosting your files and share them with team mates

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Sending files

Send files to external parties, only using a link.

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Email attachments appear the shared files listing
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