Do not contact list
Also known as: DNC list
In short
A do not contact list is a maintained record of people, email addresses, domains, phone numbers, or companies that your team must not reach out to. Entries come from opt-outs, complaints, legal requirements, and internal rules.
It works as a final check before any email, call, or ad audience upload. Teams often keep one shared list so every tool and every rep applies the same exclusions.
What goes on the list
- Opt-outs: People who unsubscribed or asked not to be contacted.
- Legal and regulatory: Numbers or contacts you are required to exclude under local rules. Confirm specifics with counsel; this is not legal advice.
- Business exclusions: Current customers owned by another team, partners, competitors, investors, and accounts in active legal disputes.
- Bounces and complaints: Addresses that hard bounced or that marked your mail as spam.
How to run one well
Keep a single source of truth
Store the list in one place, usually the CRM or a central table, and sync it to your email, dialer, and ad tools. Separate lists per tool drift apart within weeks.
Match on more than email
Match on email, domain, phone, and company. Someone who opts out at one address can reappear under another, and a whole company may be excluded.
Check before every send
Apply the list as a hard filter on every sequence, import, and enrichment run. Add a step that blocks new leads that match an entry.
Example workflow
Say a contact replies "remove me" to an outbound email. The rep marks the record, an automation adds the email and domain-level note to the list, and every active sequence for that person stops. Later, a purchased lead list is uploaded and the import step drops rows that match the list before reps ever see them.
Common mistakes
- Manual upkeep: Relying on reps to remember exclusions leads to repeat contact.
- Deleting instead of suppressing: If you delete a record, it can be re-imported later. Keep the entry so the exclusion holds.
- Never reviewing: Review business exclusions regularly so the list does not block valid prospects forever.
Do not contact list FAQs
What is a do not contact list?
A do not contact list is a record of people, domains, phone numbers, or companies your team must not email or call. It covers opt-outs, legal exclusions, and business rules, and is applied before any outreach goes out.
What should a do not contact list include?
Include opt-outs, spam complaints, hard-bounced addresses, legally required exclusions, and business exclusions such as partners, competitors, or accounts owned by another team. Store emails, domains, phone numbers, and company names so matches are caught across fields.
How do you maintain a do not contact list?
Keep one central list, sync it to every outreach tool, and apply it as a hard filter on imports and sequences. Add entries automatically from unsubscribes and replies, and review business exclusions on a regular schedule.
Why do you keep opted-out contacts on a do not contact list instead of deleting them?
If you delete a record, the same person can come back through a new import or enrichment and get contacted again. Keeping a minimal entry lets your systems recognise and block them. Check local privacy rules on retention; this is not legal advice.
