for DirectAdmin

Drop-in DirectAdmin integration brings advanced communication features to your DirectAdmin server.

DirectAdmin Webmail Integration

CrossBox integrates automatically with the DirectAdmin's Webmail and shows up as a new webmail option — allowing your DirectAdmin users to access CrossBox the same way they do with Roundcube and Horde.

Modern Communication Suite For Your DirectAdmin Server

Features usually available exclusively on big platforms like Gmail and Outlook are now a reality — for all your DirectAdmin users.

Send Large Email Attachments

How many times you wanted to send an email with a couple of attachments only to find out that you can't — the email size limit is...

Screen Sharing

There is no need to leave your Inbox and download a third-party app only to share a screen or collaborate with someone. Powerful s...

Email Composer

Why limit yourself to an inferior email editor? CrossBox has over 25 formatting options that allow you to style your email in deta...

Email Snoozing

Emails are piling up, but you don't want to deal with them right now? With CrossBox, you can snooze any conversation. Just choose...

Undo Button

How many times you deleted some emails and then realized that you would like to have them again? No problem — click the undo butto...

Email Scheduling

You've just finished writing an email. But it's late. You wouldn't want to disturb anybody in the middle of the night! With CrossB...

Super-Fast File Sharing

It's only natural that people participating in the channel want to share files with each other. CrossBox makes this an effortless...

Email Follow-Ups

Need to do a follow-up on a conversation you had, but you may forget about it in a week? Create an email reminder to remind you —...

Call/talk to Anyone

Anyone can instantly join you in a channel or a call, just by clicking on a link in the invitation email. There are no forms to fi...

Attachment Previewer

Don't you hate downloading .docx and .xlxs files just to see what's inside? With CrossBox, you can preview any document, spreadshe...

Learn More About
DirectAdmin Integration

Read more on how our deep integration with DirectAdmin makes sure that all CrossBox features work seamlessly with other parts of the DirectAdmin ecosystem — including mail servers, disk quotas, auto-login, and other software commonly found on a DirectAdmin server.

Learn more