Outbound sequences with replies and outcomes

Outbound email sequences from sales engagement tools: the messages and follow-ups reps sent, the replies prospects wrote back, and what happened next, such as a meeting booked or an opportunity created. Labs use them to train writing and sales agents on messages with known results.

Last updated October 3, 2026

What a record contains

One enrollment: each step’s message and timing, the prospect’s replies, how each reply was classified, and the downstream outcome.

FieldWhat it holds
enrollment_idPseudonymous ID
steps[]Channel, send time, subject and body
replies[]Reply text and time
classificationPositive, objection, not now, unsubscribe
outcomeMeeting, opportunity, none or opted out
Illustrative record. The values are made up to show the shape of the data.
{
  "enrollment_id": "Q-55120",
  "steps": [
    {"n": 1, "sent_at": "2025-03-03T14:00Z", "subject": "Invoice matching across entities",
     "body": "Hi [FIRST_NAME], teams like yours often reconcile..."}
  ],
  "replies": [{"at": "2025-03-05T10:21Z", "body": "Not this quarter. Try me in June.",
               "classification": "not_now"}],
  "outcome": "none"
}

How AI labs use it

Writing agents with outcome labels
Messages paired with replies and results.
Reply classification
Real positive, negative and objection replies.
Preference data
Variants of the same step with different reply rates.

Typical preparation requirements

Agreed with the supplier before any work begins. Typical requirements include:

  • Prospect identities and companies pseudonymized
  • Opt-out records respected
  • Purchased contact lists excluded where their license forbids reuse

Every dataset has a documented owner and confirmed licensing rights. See data governance on sourcex.si.

What makes a strong package

  • A/B variants recorded
  • Replies kept, not just open and click counts
  • Outcomes linked to the CRM

Compared with public datasets

Public sets such as CRMArena-Pro and Marketing Funnel by Olist are useful references, but limited as enterprise training data. The sales and CRM category page compares them with licensed data.

Who typically holds it

  • B2B software companies
  • Agencies
  • Staffing firms

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Questions

Are open and click rates included?

Where they were tracked, but replies and outcomes are better labels. Open tracking has become unreliable because some email apps load tracking images automatically.

Need this data for a model?

Describe what you need: domain, volume, history, format and licensing terms. SourceX looks for companies that hold it and can license it.