Use cases
Who Muster is built for.
Five playbooks for five seats. Each one is a real recipe you can copy.
Founders
Run intro sequences from your domain without burning your only mailbox.
Setup recipe
4 mailboxes · plain text · founder@ stays clean
Open
Agencies
Outbound for many clients on many domains, without spreadsheet triage.
Setup recipe
Workspace per client · whitelabel exports · webhooks → CRM
Open
Sales teams
Distribute sends across reps. Surface positive replies fast.
Setup recipe
Sender pool · roles + assignment · CRM sync
Open
Recruiters
Personalised outreach to candidates from multiple sender mailboxes.
Setup recipe
Per-recruiter mailboxes · category-based pipelines
Open
Fundraising
Plan a focused VC sequence that lands in the inbox, not promotions.
Setup recipe
Plain text · referral branching · founder@ reputation watch
Open
Send cold email people actually open.
Connect a mailbox, warm it up, send your first campaign today.