The most trusted email signature software for Exchange Server
CodeTwo
Email Signatures On-prem
- Centrally managed email signatures, disclaimers, marketing banners and email flow control
- Support for all email clients, including Outlook and mobiles
- 100% on-prem solution (installed locally; no cloud agents)
- The only on-prem signature & mail flow manager for Exchange SE

Comparison between CodeTwo email signature software for Exchange and Exchange mail flow rules
Learn about the differences and similarities between CodeTwo Email Signatures On-prem and the native mail flow (transport) rules in Exchange. See how CodeTwo software complements the native mechanisms and provides brand new possibilities for inbound and outbound mail flow communication management.
(Using Microsoft 365? See this article to compare our cloud-based email signature tools.)
Platform
Supported email clients
Images and logos embedded in signatures as inline attachments (no need to download images)
Signatures visible in Sent Items
Signatures under replies and forwards
Signature template editor (HTML, RTF, plain text)
Customizable signature templates
Different signatures for internal and external correspondence
Signatures as headers or side banners
Active Directory data in signatures
Active Directory placeholder picker
Autoremoval of empty Active Directory fields
Multi-value Conditional AD placeholders
Custom Active Directory fields
Forcing email format
Restoring images removed by iOS devices (iPhone, iPad)
Multiple rules per message
Rule scheduler
Access rights to rules
Rule setup/design delegation (e.g. to Marketing)
Multitenancy support
Personalized central auto-reply features
Advanced attachment control
Recipients blacklists / unsubscribe mechanism management
Email filtering and DLP policies
Rewriting sender’s address
Email forwarding and rerouting
Sensitive keywords masking or removing
Extensive sensitive content dictionaries
Message blocking on conditions
Email subjects tagging/modifying
Outlook themes and stationery removing
Adding of recipients in CC and BCC fields
24/7 technical support
License type
* Exchange Server mail flow (transport) rules also include advanced email processing features. However, the scope of their functionalities is limited and does not cover all mail flow control demands of administrators. CodeTwo advanced email processing solutions have been designed based upon the feature requests of thousands of Microsoft 365 and Exchange administrators from 170+ countries.
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