Use Gmail with an AI Browser for Lead List Building

If you use Gmail and you regularly need to build a verified lead list, the bottleneck is usually the same: Gmail holds part of the context, but lead list building also needs signals that live outside it - on the public web, in LinkedIn, in news, in other connected apps. Strawberry is built to combine the Gmail context with the rest of the browser, and run the full workflow as a companion you can re-trigger every week.

This page describes specifically how Strawberry handles lead list building when Gmail is one of the inputs. It names the Gmail surfaces involved, the signals the workflow actually needs, an example prompt you can paste, and what a good output looks like.

The job a SDR, marketer, founder doing outbound is trying to do

The goal of lead list building is to produce a clean, enriched, dedup'd list of N contacts who match ICP and have at least one buying signal. The success metric is concrete: bounce rate below 5%, dedup rate above 95%, and at least 30% of leads with a fresh signal. That definition matters because it shapes what Gmail needs to contribute to the workflow.

What signals lead list building actually needs

For each signal below, here is whether Gmail can contribute directly or whether Strawberry has to find it via the browser:

• ICP criteria (industry, size, geo, stack) - Gmail does not contain this directly. Strawberry uses the browser plus public sources to fetch it.
• Title match including variants (Head of, VP, Director of) - Gmail does not contain this directly. Strawberry uses the browser plus public sources to fetch it.
• Verified email pattern - Gmail stores or surfaces this directly. Strawberry reads it through the connected integration.
• Phone number (when reachable from source) - Gmail does not contain this directly. Strawberry uses the browser plus public sources to fetch it.
• Recent buying signals (hiring, funding, product launch) - Gmail does not contain this directly. Strawberry uses the browser plus public sources to fetch it.
• Existing CRM membership (to filter out already-contacted) - Gmail does not contain this directly. Strawberry uses the browser plus public sources to fetch it.

What Strawberry can do inside Gmail

Strawberry can read entire threads, follow attachments, search by query, and draft replies that match a prior writing style.

Gmail surfaces Strawberry uses for this workflow: unread threads, labels, drafts, search operators, attachments.

How Strawberry runs lead list building with Gmail

1. Strawberry opens the Gmail unread threads that contains the relevant context.
2. The companion pulls related context from Gmail (labels, history, attached files) where it exists.
3. For the parts Gmail does not store, Strawberry uses the browser - web search, LinkedIn, news, the prospect's website.
4. Strawberry synthesises the output in the shape this workflow needs: A CSV or sheet with one row per lead.
5. A human reviews before any external action (send, update, post). Then the approved output is saved back to Gmail or your system of record.

Example Strawberry prompt

Paste this in a new Strawberry chat with Gmail connected. Adjust the specifics to your actual ICP, role, or topic.

Read this Gmail unread threads and any linked context.
Then run a full lead list building workflow on it. Use the browser to fill any gaps not in Gmail.
Return the output in the shape we use for lead list building: A CSV or sheet with one row per lead: name, title, company, email, LinkedIn URL, signal, source.
Do not send anything externally. Save the draft to me to review.

What a good lead list building output looks like

Here is what a finished output for lead list building should look like in practice. The specifics will change for your use case, but the shape should look similar:

• Goal: 75 Head of Growth contacts at Series A-B SaaS in DACH
• Sources: a CRM-clean filter, a ZoomInfo/Apollo enriched pull, and a LinkedIn sweep with manual review
• Output: Google Sheet 'DACH-growth-2026-W23' with columns name, title, company, work email, LinkedIn URL, signal (hiring or funding), source notes

Why Gmail for this, and where to use a different tool

Gmail is strong for this workflow because Strawberry can read entire threads, follow attachments, search by query, and draft replies that match a prior writing style.

Where Gmail falls short Gmail rate-limits search-heavy queries; large inbox scans need pagination; sending requires explicit human approval to avoid spam risk.

Consider also a CRM for relationship history beyond a single thread.

Common mistakes when running lead list building

• Guessing email patterns and getting bounced
• Including duplicates because the source mixes work and personal emails
• Padding the list with leads who don't match ICP just to hit a count target

Connecting Gmail to Strawberry

Gmail OAuth is a Strawberry native integration; no separate scopes setup needed once connected. Once connected, the companion can read the surfaces above without re-authenticating, and any write action still requires explicit human approval the first time the workflow runs.

Caveats

Do not let any AI agent send emails, update CRM records, or change shared systems without a clear approval step. Strawberry is strongest when the workflow combines browser context with connected-app context and a human review for sensitive actions.