Personalized multichannel outreach with advanced CRM attribution
Lemlist is a comprehensive sales engagement platform that combines email outreach, B2B social automation, and cold calling in a unified multichannel sequencing engine. What sets Lemlist apart is its focus on hyper-personalization—from dynamic image personalization and custom landing pages to AI-powered email copywriting—enabling sales teams to create outreach campaigns that feel genuinely personalized at scale.
The OutboundSync and Masterinbox integration brings Lemlist's multichannel campaign activity into HubSpot or Salesforce as structured, attributed CRM data. When a prospect receives a personalized email with their company logo embedded, visits a custom landing page created for them, and then connects on B2B social—all orchestrated through a Lemlist sequence—every touchpoint is logged in your CRM with full context, enabling accurate attribution for pipeline generated through multichannel sequences.
Lemlist's advanced deliverability features, including custom tracking domain setup, email warm-up, and spam testing, work seamlessly with the integration to ensure that engagement signals accurately reflect real prospect interest rather than deliverability issues. When Lemlist detects that an email bounced or landed in spam, that information is synced to your CRM, allowing you to build workflows that automatically pause sequences, flag contacts for manual review, or trigger alternative outreach channels.
For revenue teams who have embraced sophisticated multichannel sequencing and want CRM visibility into every touchpoint across email, B2B social, and phone, this integration provides comprehensive activity tracking and attribution.
What you get
- Multichannel sequences tracked across email, B2B social, phone
- Dynamic personalization elements logged in CRM
- Custom landing page visits synced as engagement signals
- Deliverability status and bounce detection
- AI-generated email copy variations tracked
- B2B social automation activity with CRM attribution
- Warm-up campaign exclusion and management
- Complete touchpoint visibility for pipeline attribution
How to connect
This integration requires an active Master Inbox connection. Connect Master Inbox to OutboundSync first, then connect Lemlist through Master Inbox to sync activity into HubSpot or Salesforce.
Integration tier
Lemlist is an untiered OutboundSync integration partner.
This integration is not yet tiered. Planned integrations, connections via a partner, or early-stage integrations may appear as untiered until they meet tier criteria.
Works with these CRMs
Sync Lemlist activity into your CRM. Learn how each integration works.
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Lemlist integration FAQ
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Which CRM systems does the Lemlist integration support?
This Lemlist integration supports HubSpot and Salesforce through OutboundSync. -
Is the Lemlist integration live?
Current status is beta, with a connection via Masterinbox. -
Is Lemlist sync one-way or two-way?
Lemlist currently uses one-way sync in OutboundSync. -
What Lemlist data can OutboundSync sync?
OutboundSync syncs email, social, and phone activity into CRM records for workflows, reporting, and attribution. -
Do we need custom middleware to connect this integration?
No. OutboundSync provides a managed integration layer so teams can connect outbound tools to CRM workflows without maintaining custom middleware.