Clean a Mailchimp list of 50,000: export, verify and what it costs
Cleaning a Mailchimp list of 50,000 on SimpleVerifier costs $39 (one month of Pro), about $0.78 per 1,000, and takes about 4 days at today's shared pace. Export it as a CSV, upload it, and download the valid, risky and invalid files with your original columns kept.
By SimpleVerifier Team · Updated · Export steps follow each tool’s own help article, linked below. No accuracy test was run.
Get the list out
A Mailchimp audience that has grown for years, exported as a CSV and checked before the next big send.
Export audience from Mailchimp
- In Mailchimp, click Audience.
- If you have more than one audience, pick it from the Audience drop-down.
- Click Export audience.
- Click Export CSV, then download the file from the email Mailchimp sends.
The download can be a ZIP with separate files for subscribed, unsubscribed, non-subscribed and cleaned contacts. Verify the subscribed file. Only Owners and Admins can export.
Source: Mailchimp help · Verify a Mailchimp export
Free tools that read this export in the browser: Mailchimp audience to email list, Mailchimp list cleaner.
What verification does to this list
- Every subscribed address gets an SMTP mailbox check and comes back valid, risky or invalid, so you can import only the valid file back into Mailchimp, or tag the risky ones and mail them separately.
- Mailchimp's export already puts cleaned and unsubscribed contacts in their own files. Verify the subscribed file only, so you are not paying to check addresses Mailchimp will not mail anyway.
- Addresses that stopped working since people signed up show up as invalid before the campaign, instead of as bounces after it.
- Catch-all domains accept every address, so their mailboxes cannot be confirmed; they come back risky, never valid.
What 50,000 emails cost on SimpleVerifier
Every plan or pack that takes the whole list in one go, cheapest first. Per 1,000 is the price divided by 50,000. Other verifiers’ published prices for this size are on the 50,000 emails page.
- Pro, one month$39 ($0.78 per 1,000)
the first 100,000 checks a month at full speed, then slower, never cut off: all 50,000 at full speed
- One-time pack of 50,000$49 ($0.98 per 1,000)
Credits never expire; standard speed; CSV verification only
- Business, one month$99 ($1.98 per 1,000)
the first 300,000 checks a month at full speed, then slower, never cut off: all 50,000 at full speed
- Agency, one month$249 ($4.98 per 1,000)
the first 750,000 checks a month at full speed, then slower, never cut off: all 50,000 at full speed
Pro is never cut off: the first 100,000 checks a month at full speed, then slower, never cut off. Monthly plans renew until you cancel; packs are one payment.
A different size
How long 50,000 emails take
- We run about 13,000 mailbox checks a day today, shared by all customers. At today's shared pace, 50,000 checks in one list take about 4 days to finish. The list queues and its card shows the ETA; nothing is cut off.
- Check capacity is shared by all customers: list jobs run at up to about 60 addresses a minute while the day's capacity lasts, so a very large list queues rather than failing and can take days.
- Bad syntax, dead domains and disposable addresses come back at once, and results confirmed in the last 14 days return instantly, so a list you checked recently finishes sooner. Each job card shows an estimated finish time.
What you get back
- Valid
- The recipient's mail server confirmed the mailbox exists.
- Risky
- The domain works but the mailbox could not be confirmed, usually a catch-all domain that accepts every address. Anything unconfirmed is reported as risky, never as valid.
- Invalid
- The server confirmed the mailbox does not exist, or the syntax is broken, the domain has no mail server, or the domain is a known disposable provider.
Results download as separate files for valid, risky and invalid. The email column is found by its header or its contents, every other column in your file is kept, and the cleaned files come back with your original columns, so they import straight back into your sending tool.
Common questions
- How do I export my audience from Mailchimp?
- In Mailchimp, click Audience. If you have more than one audience, pick it from the Audience drop-down. Click Export audience. Click Export CSV, then download the file from the email Mailchimp sends. The download can be a ZIP with separate files for subscribed, unsubscribed, non-subscribed and cleaned contacts. Verify the subscribed file. Only Owners and Admins can export. These steps follow Mailchimp's own help article.
- How much does it cost to clean a Mailchimp list of 50,000?
- $39 on SimpleVerifier (one month of Pro), about $0.78 per 1,000. Duplicates and addresses we cannot check are not counted, so the real number is usually lower than the row count.
- How long does a list of 50,000 take?
- About 4 days at today's shared pace of about 13,000 mailbox checks a day, shared by all customers. The list queues rather than failing, the job card shows an estimated finish time, and nothing is cut off.
- Can I upload all 50,000 in one file?
- Yes. Uploads take up to 100,000 rows in one CSV, and the email column is found automatically.
- Does verification tell me who agreed to be emailed?
- Verification tells you whether a mailbox can receive mail. It does not tell you whether the person agreed to hear from you, so check consent before you mail anyone, whatever the result.
- Can I try it before paying?
- Yes: the first 100 email checks are free with a Google sign-in and no card, on the same SMTP mailbox check the paid plans run. Upload a sample of the export first, then pick the plan or pack that fits.
Check a sample of your list first
Duplicates and addresses we cannot check are not counted, so the real number is usually lower than the row count. Start with the free checks on part of the list, then pick the plan or pack that fits.