Prospect Quarantine

What is quarantine?

Quarantine blocks a prospect from being added to a sequence if you recently added them to another sequence. Enable it to avoid contacting the same person again when your campaigns or prospect lists overlap.

When quarantine blocks a prospect, Vaam does not add them to the sequence. Check the prospect’s activity feed for the reason.

How quarantine works

Set quarantine on the sequence you want to add prospects to. That sequence’s duration controls the check, even if the prospect’s earlier sequence has different settings or quarantine turned off.

1. You try to add a prospect to a sequence with quarantine enabled for N days.
2. Vaam checks whether you added that prospect to another sequence within the last N days.
3. If so, Vaam skips the prospect and records the quarantine block in their activity feed.
4. Otherwise, the prospect can be added if they pass the other sequence checks.

When the quarantine clock starts

The clock starts when you add the prospect to a sequence, even if its first step has not run. Each day means 24 hours. A prospect added exactly N days ago still falls inside an N-day window.

Later messages, completion, or cancellation do not restart the clock. A blocked attempt to add the prospect does not restart it either.

All sequence statuses count within that window, including active, completed, and canceled sequences. Canceling a sequence after a reply or during list cleanup does not clear its quarantine history.

The separate active-sequence restriction

Vaam also blocks adding a prospect who is still in an active, queued, or paused sequence. This restriction applies even when quarantine is off or the prospect was added before the quarantine window.

For example, a prospect added 90 days ago who is still active cannot join another sequence with a 30-day quarantine. Completing or canceling that earlier sequence removes the active restriction, but quarantine still applies if the addition falls within the window.

Vaam also prevents adding the same prospect to the same sequence again while their earlier sequence history remains.

Enabling quarantine

Quarantine is off by default.

1. Open the sequence you want to configure.
2. In the sequence options panel, find the Quarantine row.
3. Tick the checkbox to enable it.
4. Set the duration in days. The first time you enable quarantine, the editor selects 30 days.

Turning quarantine off preserves the duration, so you can enable it again without entering the value again.

Choose a duration

Choose a duration based on your outreach frequency and the overlap between your sequences:

• 2 to 4 weeks: a light cooldown, useful when running several campaigns in parallel
• 1 to 3 months: a typical “don’t contact again this quarter” setting
• 6+ months: useful for long sales cycles or for protecting key accounts

When quarantine blocks a prospect

When quarantine blocks a prospect:

• The prospect is not added to the sequence
• For a bulk add, the result shows the quarantine reason and the sequence the prospect could not join
• The prospect’s activity feed shows a “Prospect quarantined” entry with:
  • The sequence the prospect was blocked from
  • The sequence that caused the block, when its name is available
  • The quarantine duration that was applied

If the earlier sequence’s name is unavailable, the activity entry says “another sequence”. Open the prospect details page to see this entry with the rest of their activity history.

Add from the LinkedIn extension

The extension’s Add to sequence action checks the selected sequence’s quarantine before adding the prospect. Vaam processes this action in the background. If quarantine blocks the addition, check the prospect’s activity feed for the reason and duration.

Common scenarios

Re-upload an updated prospect list

You uploaded a list to Sequence A last month. This month, you want to add an updated list with some of the same prospects to Sequence B. Enable quarantine on Sequence B with a duration that includes last month’s additions. Vaam skips those prospects while their earlier additions fall within that window.

Run parallel campaigns

You have two sequences with different messages, and your CSV lists overlap. Enable quarantine on both sequences. A recent addition to either sequence blocks adding that prospect to the other within its configured window.

Protect replied prospects

A prospect replied, and their sequence completed. To keep them out of next quarter’s outreach, enable quarantine on the new sequence. Choose a duration that includes the date you added them to the earlier sequence. The completed sequence still counts within that window.

Limitations

• Enabling quarantine does not remove prospects who are already in multiple sequences.
• Enabling quarantine on Sequence A does not enable it on Sequence B. Set it separately on each sequence that needs this check.