Acceptable Use Policy
Date of last update:March 23, 2026
1. General provisions
This Acceptable Use Policy defines the rules and restrictions for using the servicemail.expert.
By using the Service, you agree to comply with this Policy and applicable laws.
The purpose of this Policy is to prevent illegal use of the service, abuse and violation of the rights of third parties.
2. Nature of the service
mail.expert is a tool for technical verification of email addresses (validation).
Service:
does not send e-mails
does not contact the owners of email addresses
not intended for mass marketing campaigns
3. Acceptable use
You can use the service exclusively for:
checking own or legally obtained email addresses
clearing contact databases before legal communications
technical analysis of email data quality
4. Prohibited use
It is forbidden to use the service for:
4.1 Spam and mass mailings
checking bases for further mailing of unwanted or unauthorized messages
preparation of spam lists
4.2 Illegal or unauthorized data
checks of purchased, collected or obtained without consent databases of email addresses
data processing without legal grounds
4.3 Fraud and Abuse
phishing, deception, social engineering
verification of addresses for the purpose of further fraud
4.4 Violation of legislation
any use that violates the legislation on the protection of personal data (GDPR and others)
violation of the rights of third parties
4.5 Harmful Activity
service overload attempts
automated attacks
bypassing restrictions or protections
use of malicious software
5. User responsibility
The user is fully responsible for:
legality of obtaining email data
the presence of legal grounds for their processing
use of validation results
mail.expert is not responsible for the user's actions after receiving the verification results.
6. Monitoring and detection of abuse
We may use automated systems to:
detection of suspicious activity
abuse prevention
infrastructure protection
7. Response measures
In case of violation of this Policy, we reserve the right to:
limit or suspend access to the service
block the account
delete data
refuse to provide services
notify relevant authorities in cases provided for by law
8. Cooperation with authorities
We may disclose information where required by law or necessary to:
investigation of violations
prevention of illegal activities
protection of rights and safety
9. Changes to the Policy
This Policy may be updated periodically.
The updated version is published on the website with the date of changes.
10. Contact
For all questions regarding the use of the service: