How to Verify Emails in Copper

People Export Setup

Copper cleanup is easiest when the export is scoped to a filtered People list and the return import has a reliable way to update existing records.

Why Verify Your Copper Contacts

Copper is the CRM built for Google Workspace, and that tight Gmail integration is exactly why People records accumulate so quickly. Because Copper can create and enrich contacts straight from email activity in Gmail, the People object fills up with addresses that nobody ever deliberately checked. Add manual entry by reps, the Chrome extension, web form captures, and migrations from a previous CRM, and a Copper account ends up holding a mix of solid contacts and quietly unreachable addresses.

Copper does not test whether a Person's email works

The email field on a Person record holds whatever value was captured. It might be a typo from a hurried manual entry, an address auto-pulled from a one-off email thread, an abandoned mailbox from an old migration, or an address that was never valid. Copper stores it without ever opening a connection to the mail server to confirm it is reachable. VeriMails runs that live test, so you can see which People records would bounce before you send through Copper's email tools or push the list into a sequencing app.

Sales contact data decays faster than most teams expect

B2B contact data goes stale at roughly 2.1 percent per month, which compounds to around 22.5 percent a year, and close to 30 percent of B2B records become unreliable within twelve months as people change jobs and companies reorganize. A Person added to Copper a year ago from a conference or a Gmail thread has a real chance of being unreachable today. Because Copper enriches contacts continuously from email activity, it is easy to assume the data is fresh when the underlying mailbox may have closed months ago. Verifying an export right before outreach reflects the current deliverability of each address.

Bounces damage the sender reputation behind your pipeline

When you email People records directly from Copper or sync them to a cold outreach platform, every invalid address turns into a bounce. Mailbox providers treat a high bounce rate as a signal that a list is low quality or purchased, and they respond by routing more of your mail to spam. A bounce rate above 3 percent needs attention, and above 5 percent it does lasting damage to your sending domain. Verifying first keeps bounces low and protects deliverability for every opportunity in your pipeline.

Clean People data keeps your Copper reporting honest

Activity reporting, email open and reply tracking, and pipeline conversion analysis all assume the People you contact can actually receive mail. Unreachable addresses inflate your contact count, distort engagement metrics, and trigger follow-up tasks against people who never saw the first message. Because Copper is often the main record system for a Google Workspace sales team, verifying the list keeps that record system grounded in contacts who genuinely exist.

What VeriMails Checks

VeriMails runs every address from your Copper export through a layered set of checks. Each layer catches a different category of bad email, and every Person comes back with a definite status rather than a vague score.

It starts with syntax validation to catch malformed addresses, including the typos that slip in through manual entry on a Person record. MX and DNS checks then confirm the domain exists and is configured to receive mail. The live SMTP handshake is the step that matters most: VeriMails opens a real connection to the receiving mail server and confirms the specific mailbox will accept a message, without ever sending one. This is what catches the abandoned mailboxes and departed contacts that Copper still lists as active People.

VeriMails also runs catch-all detection to flag domains that accept every address whether or not a real mailbox exists, disposable detection for temporary throwaway inboxes, and role-based detection for generic addresses such as info@ or sales@. Catch-all status is reported as a clear detection result, never a probability score. Across all of these checks VeriMails returns clear verification results that work well in live workflows.

Pricing for Copper Users

Verification is priced so that cleaning a Copper People list before outreach costs very little against the value of protected deliverability. Credit packs start at $0.0019 per email, which is $19 for a 10,000-credit pack. Credit packs scale up to 5 million verifications for $1,499, and credits never expire, so a balance bought for one campaign carries forward to the next.

If you export and clean Copper data on a regular cadence, monthly subscriptions are available from $15 per month for the Starter plan with 10,000 credits up to $299 per month for the Agency plan with 1.5 million credits. Every new VeriMails account also includes 100 free credits with no credit card required, which is enough to verify a sample of your Copper People and see how many records hold invalid or catch-all addresses before you commit to a plan.

Workflow Visual

Use this flow when Copper People exports need to become clean, matched CRM updates.

• CRM hygiene: Add Copper People exports to a recurring CRM hygiene cadence.
• Bulk files: Use bulk email verification after converting the Copper export to CSV.
• Nearby guides: Compare this flow with Attio and Zoho CRM if data moves across CRMs.

Step-by-Step

What to Do With Each Result

Use the result field to control Copper lists and downstream campaign syncs instead of keeping the cleanup in a separate spreadsheet.

• Valid Update the Person, add a verified date, and keep the row available for sales and marketing workflows.
• Invalid Suppress from synced lists and assign owner cleanup before another email attempt.
• Catch-all Segment for manual review, especially when the record belongs to a high-value opportunity.
• Disposable Remove from outreach and request a durable business address before continuing.
• Role-based Keep for company-level communication where useful, but exclude from one-to-one rep sequences.

Frequently Asked Questions