Release Date: April 29, 2026
Summary
This release introduces Direct Mail Cadences — a major new channel for Left Main's Cadences. Users can now automate the delivery of physical mail pieces to Leads, Contacts, and Opportunities, completing a true multi-channel outreach strategy alongside existing SMS and Email Cadences. All mail templates are created through our new partner platform, PostcardMania.
Removed Components
Buttons
Create Direct Mail Cadences removed from Lead, Opportunity, Contact
Direct Mail button removed from Campaign
Page Layout Components (Lead, Opportunity, Contact, Campaign)
The following Direct Mail components have been removed where present:
Direct Mail Address sections
Direct Mail Orders related lists
Direct Mail Sent Status
Cadence Direct Mail, Direct Mail Orders, and Direct Mail Sent Status related list quick links
Any additional Direct Mail-related sections, buttons, or components
Automation
All Direct Mail scheduled jobs deleted
All Direct Mail-related flows deactivated
Apps, Permissions, and Settings
Direct Mail App removed
Direct One permission set removed
Remote Site Settings deactivated:
Directmail
Directmailleftmain
Directone1
New / Updated Components
Application
PostcardMania App installed in Salesforce
Buttons
Send Direct Mail added to:
Lead
Opportunity
Contact
Campaign
Create Cadence now includes Direct Mail (separate Direct Mail cadence button removed)
Related Lists
Related Orders added to:
Lead
Opportunity
Contact
Permission Sets
Left Main Direct Mail Admin Permission Set Group (Admins)
Left Main Direct Mail User Permission Set Group (Standard Users)
Setup Changes
New Configure Direct Mail section added in Cadences Setup
Connected App settings updated for PostcardMania
Functional Changes
Direct Mail now powered by PostcardMania (Salesforce app)
Templates are created and managed within the PostcardMania app
Billing model updated from credit-based → PostcardMania budget-based system
User Impact
Legacy Direct Mail UI and functionality removed
Direct Mail is now accessed via:
PostcardMania App
Send Direct Mail button
Standard Cadence creation flow
Existing Cadences and templates may require updates
Action Required
Assign new Direct Mail permission set groups
Train users on PostcardMania and updated workflow
Review page layouts if customizations exist
Validate Connected App access
Support
Email: support@leftmainrei.com
Resources
PostcardMania Direct Mail Feature Overview