The table below outlines the differences in features between the Client-Side and Server-Side signatures:
NOTES: Some features are exclusive to Standard and/or Pro plans. For more information, see Exclaimer pricing plans.
For Microsoft 365 users, Client-Side functionality varies between the Exclaimer Cloud Outlook Add-in (recommended) and the Exclaimer Cloud Signature Update Agent.
For Microsoft 365 users, Client-Side functionality varies between the Exclaimer Cloud Outlook Add-in (recommended) and the Exclaimer Cloud Signature Update Agent.
Feature |
Client-Side |
Server-Side |
|---|---|---|
| See and select your signatures from your email client before sending |
Yes (Microsoft 365 subscriptions only. Not available on Andorid and iOS devices)
NOTE: Google Workspace allows one client-side signature, which is applied automatically.
|
No |
| Supported devices/mail clients |
Microsoft 365 subscriptions: Outlook for Windows, MacOS, Android, and iOS Google Workspace subscriptions: Gmail |
All devices and mail clients |
| HTML Signatures | Yes | Yes |
| Plain Text Signatures | Yes, when the email is in plain text | No (Plain text emails are automatically converted to HTML) |
| Yes | Yes | |
| Linked images | Yes | Yes |
| Personal signatures when sending as shared mailboxes | Yes | Yes (Send-on-behalf permissions only) |
| Background images with hyperlinks | Yes (Outlook Add-in only) | Yes |
| Additional attributes | Yes | Yes |
| User Photos | Yes | Yes |
| Sent Items are updated with Signature | Yes | Yes |
| Send on Behalf - choice of sender or shared mailbox signature | Yes |
Yes
NOTE: This must be managed by a user with Admin access to the Exclaimer portal, not in the mail client.
|
| Send As - choice of sender or shared mailbox signature | Yes | No |
| Alias Addresses |
Yes
NOTE: This is not available for the Exclaimer Cloud Signature Update Agent.
|
Yes |
| Apply Recipient Settings Client-Side | Yes (Outlook Add-in only) | N/A |
| Prevent users from changing signatures |
No
NOTE: Users have access to signatures before the email is sent. Some client restrictions are available, but signatures can be manually deleted or edited before sending.
|
Yes |
| Remove all existing signatures from Outlook |
Yes
NOTE: For New Outlook users, this must be done by deleting signatures individually.
|
No |
| Recipient Email Addresses in Feedback Analytics (Pro plans only) | Yes (Outlook Add-in only) | No |
| Click Tracking Analytics (Pro plans only) |
Yes
NOTE: To collect analytics for Client-Side, Server-Side configuration is also required.
|
Yes |
| Other Analytics Features (Pro plans only) |
Yes
NOTE: To collect analytics for Client-Side, Server-Side configuration is also required.
|
Yes |
| Signatures Tester | Yes | Yes |
| Diagnostics Logs | Yes | Yes |
| Seamless Single Sign-On | Yes | N/A |
| Requires Outlook Restart |
No (when using the Outlook Add-in)
NOTE: The Exclaimer Cloud Signature Update Agent may require restarts.
|
No |
| Works for users with on-premises mailboxes | Yes (Exclaimer Exchange Transport Agent and Cloud Signature Update Agent) | Yes (requires Exchange On-Premises) |
| Signature Date/Time rules (including Advanced Date/Time rules for Pro plans only) | Yes | Yes |
|
Subject line triggers (Advanced Signature Rules) (Standard and Pro plans only) |
No | Yes |
|
Body text exceptions (Advanced Signature Rules) (Standard and Pro plans only) |
No | Yes |
| Different signature for new messages and replies/forwards | Yes (Microsoft 365 only) | Yes |
| Append multiple signatures on the same email | Yes (Outlook Add-in only) | Yes |
|
(Pro plans only) |
Yes
NOTE: To apply Headline Content, Server-Side configuration is also required.
|
Yes |
| QR Codes (Standard and Pro plans only) and vCards (Pro plans only) | Yes | Yes |
| Campaigns (Standard and Pro plans only) | Yes (Microsoft 365 only) | Yes |
| Disclaimers (Standard and Pro plans only) | Yes (Microsoft 365 only) | Yes |
| Rotating Banners (Standard and Pro plans only) | Yes | Yes |
| User Details Editor | Yes | Yes |
| Facebook Social Feed |
Yes (Microsoft 365 only)
NOTE: Google cannot apply this feature to Client-Side signatures due to the character limit in Google's API.
|
Yes |
| LinkedIn Social Feed |
Yes (Microsoft 365 only)
NOTE: Google cannot apply this feature to Client-Side signatures due to the character limit in Google's API.
|
Yes |
| Salesforce Lists | Yes (Microsoft 365 only) | Yes |
| HubSpot Lists | Yes (Microsoft 365 only) | Yes |