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#1 email signature platform for Office 365

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Plug & play integration

Solve your Office 365 Signature puzzle.

Become a brand emperor with central management of EVERY Outlook 365 signature. Then turn employee emails into free ad space.


Silky integration



  1. Emails sent by employees are routed to your Exchange Online.
  2. Exchange Online routes emails to our European Azure servers hosted within the Microsoft Office 365 Data Center.
  3. We add the correct employee email signature before the email is delivered via Exchange Online.


  1. Install Mailtastic’s EasySync desktop app. This ensures every team member has access to the latest signature.
  2. Give your team access to several signatures if needed.
  3. Your team sees the signature they’re using on Outlook before hitting send.


  1. Combine server and client-side integration to give your team freedom. They can either choose different signatures or set to default via EasySync.
  2. Your teams emails are forwarded to Exchange Online. Then they’re routed from European Azure servers, which are hosted within the Microsoft Office 365 Data Center.
  3. We add the email signature to your team’s email before it reaches the recipient.
Get the lowdown on data security in Azure Cloud

End-to-end email signature management for Outlook 365

We went through email signature struggles so you don’t have to


Become independent

Stop relying on design agencies and IT. Start creating and managing your own email signatures with our WYSIWYG editor.

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Get a handle on your brand

Using your Azure AD, Mailtastic maps email signatures to different locations, sub-brands and languages.

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Automate email signatures with O365

Integrate signature management with your Office 365 data infrastructure and keep signatures timely.

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Keep signature management under one roof

Multiple admin accesses mean your team can benefit from signature management and marketing.

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“We are working with Office 365 and the integration of Mailtastic was without any problems. The daily operation also functions smoothly. Should any questions or difficulties arise, they are solved quickly and satisfactorily by the support team.”

Jonas Uebbing
Director Business Support, v. Rundstedt & Partner GmbH

Quick-fire Office 365 x Mailtastic benefits


Straight off the mark

Set up Mailtastic x Office 365 integration in a few clicks


Fully automated signatures

New Office 365 users automatically receive the appropriate email signatures


No fuss

Office 365 user data generates email signatures


GDPR compliant

Office 365 users always comply with data rules and regs


Different signatures for different departments

Cater to segmented audiences with tailored Office 365 signatures


Multi signatures

Allow team members to choose the best signature for their context


Clean display

Keep signatures up to scratch in every email program


Air-tight security

Keep your data on lockdown with secure servers in Microsoft Office 365 Cloud


Signature previews

Your team sees the signature they’re sending

Customer Success

Our team has your back

Our goal is to make your life easier. That’s why Mailtastic cuts you loose from dependence on design and IT and puts email signature management in your hands. And we help you out whenever you need it. Just send us a message.

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Let’s do this

Ready to link up your Office 365 with Mailtastic?

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