How to Space Out Leads From the Same Company So They Are Not Emailed at Once

To stop colleagues at one company being emailed back to back, reorder the lead file so a set number of other leads sit between any two people at the same company, then upload it to a sequencer that sends in file order. That is a five-minute job in a tool and an hour in a spreadsheet. This post explains when it is worth doing, how the spacing works and where it stops helping.

Space out a list →

Why lists end up clustered

Lead exports are rarely random. A database export tends to be sorted by company, by title, or by the order the records were found. A list you scraped from one company's team page puts everyone at that company together. A list assembled from several sources and then sorted by domain does the same.

If your sequencer picks the next lead in file order, the first company's whole team is emailed in the first few minutes. Whether that matters is a judgment call. Some senders do not mind. Others would prefer that colleagues do not compare notes on an identical message within the same hour. Spacing gives you the choice.

When the order matters, and when it does not

This is the point most guides skip, so read it before doing anything: the order only matters if your sequencer sends in the order of the file. Plenty of tools choose leads in their own order, by schedule, by random draw or by time zone. In that case the new order changes nothing. Check how your sequencer picks the next lead before you rely on it.

Also be clear on what is not controlled. The order cannot beat the daily limits your mail provider sets on each inbox, such as the published ones for Google Workspace and Exchange Online. And spacing rows in a file is not spacing time. A gap of ten other leads can still pass in a few minutes if you send quickly. For time, use the email send schedule planner.

How the spacing works

Companies are found from the email domain. The tool then builds the new order one row at a time. Each step, it takes the next lead from the company with the most leads left that has not been used within your gap. It keeps your uploaded order inside each company, and it puts rows with no address at the end.

Taking from the biggest remaining company first matters. If the big ones were left to the end, there would be nothing left to put between them, and they would be stuck together. Handling them first spreads them through the list while there are still plenty of other companies available.

Two special cases:

• Personal addresses. Gmail, Outlook and similar providers are treated as separate companies, so two people at gmail.com are never held apart from each other.
• Companies with several domains. The tool judges by domain, so a company with two domains is seen as two companies.

Step by step

1. Upload the lead list (.xlsx or CSV), or paste the cells with the header row first.
2. Set the number of other leads that should sit between two people at the same company.
3. Read the counts of close pairs before and after. A pair that stays close means the list has too few other companies for that gap.
4. Download the CSV and upload it in the new order.
5. Check the addresses before you send. If you have not verified them, do it first.

Try a few gap values. The close-pair counts show you quickly whether a gap is achievable. A gap that is too big for the list leaves many pairs unchanged, which is a useful signal and not a failure.

What if one company has too many leads

A company with more leads than the rest of the list can separate will stay clustered, and the tool counts those pairs. Say your list has one very large company and a small number of others: there are simply not enough other rows to put in between. You have three options:

1. Lower the gap. A smaller gap is easier to keep.
2. Cap the leads per company. The limit contacts per company tool trims each company down to a number you choose, so no account dominates. This is often the better answer, because emailing a dozen people at one company in one campaign is a bigger issue than their order.
3. Add more companies. More other rows means more room.

Combine it with the other list-prep steps

Order of operations for a clean send, in the sequence we would do them:

1. Fix the file. If the CSV breaks imports, see fixing broken CSV rows. For blank rows, see removing blank rows.
2. Verify. Remove invalid addresses and decide what to do with catch-all and unknown results. See what to do with catch-all emails.
3. Cap contacts per company if you want to.
4. Split across inboxes if you send from several. See how to split leads across sending inboxes. If you split by inbox, space within each inbox's block, since each inbox sends its own sequence.
5. Space the order, as in this post.
6. Schedule the send across days.

Verification comes before reordering for a simple reason: the order of a dead address does not matter. Spacing does nothing for an address that bounces, and every bounce counts against the inbox it comes from. See bounces from one domain for what to do when a whole company's addresses fail.

Limits to keep in mind

• It only helps where the sending tool follows the order of the file.
• Companies are judged by email domain, so a company with several domains looks like several.
• It spaces rows in the file, not the time between sends.
• A list dominated by one company cannot be fully spaced.
• The tool runs in your browser; the file is not uploaded to SimpleVerifier.

Where verification fits

The spacer is free. The step that protects your sending reputation is checking that each address exists before it goes in the file. Upload the list at /verify. SimpleVerifier Pro is $39 a month, with the first 100,000 checks a month at full speed, then slower, never cut off; see pricing.

The short version

Clustered lists email colleagues together. A reorder with a gap fixes that if, and only if, your sequencer sends in file order. Verify first, cap each company if one dominates, and use a schedule for timing.

Check the list first →