What open 'bad domain' lists can I use to filter newsletter subscriptions from typo domains?

Email marketer from GitHub shares another extensive list of disposable email domains, offering a reliable resource for identifying and blocking temporary email addresses, contributing to better list hygiene.

Email marketer from StackOverflow recommends implementing a custom script that checks for common typos in domain names (e.g., 'gmai.com' instead of 'gmail.com') and suggests corrections to the user in real-time.

Email marketer from Email Geeks suggests leveraging the resource on the form to suggest the correct domain (Not auto-fixing it) while also always using COI/DOI.

Email marketer from Neverbounce explains they have a service to block disposable emails from subscribing to your service.

Email marketer from Zerobounce explains that they offer typo domain filtering as part of their real time email validation service, which can prevent typo domains from subscribing to your service.

Email marketer from Email Geeks shares that <https://www.darkmail.domains/> is also a good resource as it combines a large list of bad emails / domains from various GH sources.

Email marketer from GitHub provides a comprehensive list of disposable email domains, useful for filtering out temporary or throwaway email addresses during newsletter subscriptions. This list is actively maintained and updated.

Email marketer from Bouncer shares information that they have a disposable email filter as part of their verification tool.

Email marketer from Reddit suggests using a combination of disposable email domain lists and regex patterns to identify and block common typo domains, supplemented by manual review of suspicious sign-ups.

Email marketer from darkmail.domains offers a combined list of bad emails and domains from various GitHub sources to filter out.

Email marketer from Email Hippo explains that they offer disposable email address (DEA) detection as part of their email validation service, allowing users to identify and filter out temporary or throwaway email addresses.

Expert from Email Geeks suggests blocking any mail to the IPs that show up in the MX lookup for the typo domain.

Expert from Spam Resource (John Levine) explains that while there isn't a single definitive list for typo domains, actively monitoring new domain registrations similar to your brand name and using tools that flag suspicious domain variations can help in mitigating the risk of typo squatting and related email deliverability issues.

Expert from Word to the Wise (Laura Atkins) advocates for robust list hygiene practices, including using email verification services that can identify typo domains and disposable email addresses at the point of signup. She also recommends monitoring sender reputation and engagement metrics to identify and remove low-quality subscribers.

Expert from Email Geeks shares that the search term for filtering typo domains is “list hygiene” and providers like Kickbox will let you run them at signup time.

Documentation from Spamhaus explains that while primarily focused on spam, Spamhaus blocklists can indirectly help identify suspicious domains, especially those associated with known spam operations or disposable email services.

Documentation from RFC Editor explains the importance of checking DNS records (MX, A, etc.) for email domains to ensure they are properly configured and valid, helping to identify potentially fraudulent or typo domains.

Documentation from Hunter.io shares that their Email Verifier tool checks the validity of email addresses, identifying typos, disposable domains, and other issues that can negatively impact email deliverability and sender reputation.

Documentation from Mailgun explains that Mailgun's Email Validation API can detect and prevent subscriptions from invalid email addresses, including those with common typos and disposable domains, thus improving email list quality.

Documentation from Kickbox explains that their real-time email verification API identifies invalid or risky email addresses at the point of entry, preventing subscriptions from typo domains and disposable email addresses, contributing to higher deliverability.