These Terms of Service (the «Terms») form a legally binding agreement between Spiridonov Dmitry Vadimovich (Individual Entrepreneur registered in the Russian Federation) (OGRNIP 324762700012347, INN 760806658219; the «Provider», «we», «us») and the individual or legal entity who registers an account on sendersy.com (the «Customer», «you»). Under Russian law (Articles 435, 437, 438 of the Civil Code of the Russian Federation), this document is a public offer. Creating an account or otherwise using the Service constitutes full and unconditional acceptance of these Terms.
1. Definitions
- Service / Sendersy — the transactional email infrastructure operated at sendersy.com and api.sendersy.com, including API endpoints, web Dashboard, SDKs, the in-app inbox, and supporting subsystems.
- Account — a registered user record granting access to the Service.
- Organisation — the workspace under which one or more Accounts operate.
- Email Content — message bodies, subjects, recipient lists, templates, and attachments transmitted via the Service by the Customer.
- Plan — pricing tier published at sendersy.com/pricing.
- Fees — amounts payable for paid Plans, stated in the Plan description.
- AUP — the Acceptable Use Policy at sendersy.com/legal/aup, incorporated by reference.
2. Subject of the agreement
The Provider grants the Customer a non-exclusive, non-transferable right to use the Service for the lawful transmission of email messages on the terms of these Terms and the chosen Plan. Title to the Service and all its components remains with the Provider.
3. Provider details
- Name: Spiridonov Dmitry Vadimovich (Individual Entrepreneur registered in the Russian Federation)
- OGRNIP: 324762700012347
- INN: 760806658219
- Tax regime: Simplified Tax System («Дохо́ды» / Income, 6%) under the Russian Tax Code. Services are not subject to VAT (Art. 346.11 §2 of the Russian Tax Code).
- Email: support@sendersy.com
- Registered address: available on written request to support@sendersy.com.
4. Account registration
To create an Account the Customer provides a working email address, a password, and a workspace name. The Customer warrants that the information is accurate, that they are at least 18 years old (or 14+ with parental consent for residents of the Russian Federation), and that — if registering on behalf of a legal entity — they have authority to bind it.
5. Acceptable use
Use of the Service is subject to the AUP at /legal/aup. Customer shall not use the Service to:
- Send unsolicited bulk email (spam) to recipients who have not consented.
- Send phishing, malware, fraudulent, deceptive, or illegal content.
- Forge headers or impersonate any person or organisation.
- Send content prohibited by law in the Customer's jurisdiction or that of the recipient.
- Interfere with the Service, attempt to reverse-engineer, or perform security tests without prior written consent.
The Provider may suspend the Account immediately on detecting abuse and disclose relevant evidence to upstream infrastructure providers, law enforcement, or regulators when required.
6. Customer obligations
- Keep API keys, passwords, and webhook secrets confidential.
- Obtain and maintain all consents required by GDPR (EU/EEA), UK GDPR, ФЗ-152 (Russia), CAN-SPAM (US), or any other applicable law before sending email to recipients.
- Promptly process unsubscribes and complaints.
- Maintain a current and accurate Account.
- Comply with the AUP and with all communications-related regulations.
7. Fees and payment
Free tier: 100 emails per month at no charge. Paid Plans renew automatically each calendar month until cancelled by the Customer.
Prices are stated in the Plan description and are exclusive of any payment-processor fees. Pricing in Russian roubles applies to Customers using a Russian payment method; foreign Customers pay in US dollars.
VAT: pursuant to Simplified Tax System («Дохо́ды» / Income, 6%) under the Russian Tax Code. Services are not subject to VAT (Art. 346.11 §2 of the Russian Tax Code)., transactions under these Terms are not subject to VAT.
8. Refund policy
A full refund is available on written request to support@sendersy.com within 3 calendar days of the subscription payment. After this window, Fees are non-refundable unless otherwise required by applicable law. Refunds are processed to the original payment method within 10 business days.
Refunds are not available for Customers in breach of these Terms or the AUP whose Account has been suspended for abuse.
9. Data ownership and processing
The Customer retains all rights, title, and interest in Email Content. The Provider processes personal data as a processor on behalf of the Customer for the purposes of providing the Service; details are set out in the Privacy Policy.
10. Service availability
The Provider targets high availability but offers no specific SLA on the Free tier. Maintenance and incidents are reported at sendersy.com/status. Paid Plans may include SLA terms published in the Plan description.
11. Intellectual property
Sendersy software, design, marks, and documentation are the exclusive intellectual property of the Provider. These Terms grant no rights to copy, modify, or sub-licence Sendersy software. The Customer may use the brand «Powered by Sendersy» under our Brand Guidelines (on request).
12. Term and termination
These Terms enter into force upon Account registration and remain in effect until terminated by either party.
- The Customer may terminate at any time by deleting their Account in Dashboard → Settings → Danger zone.
- The Provider may terminate or suspend the Account on material breach of these Terms or the AUP, including spam, fraud, or unpaid Fees, with reasonable notice. For severe abuse the suspension is immediate.
- Upon termination all Customer data is permanently deleted within 30 days, except where retention is required by law.
13. Limitation of liability
To the maximum extent permitted by applicable law, the Provider's aggregate liability for any claim arising out of or relating to these Terms is limited to the Fees actually paid by the Customer in the 12 months preceding the event giving rise to the claim. The Provider is not liable for indirect, incidental, or consequential damages, lost profits, or lost data.
14. Force majeure
Neither party is liable for non-performance caused by events beyond reasonable control, including natural disasters, war, civil unrest, government action, Internet backbone outages, or sustained DDoS attacks. The affected party must notify the other in writing within 14 days.
15. Governing law and disputes
These Terms are governed by the law of the Russian Federation. Disputes that cannot be resolved by negotiation within 30 calendar days are submitted to Commercial Court of the Yaroslavl Region of the Russian Federation, or the court at the registered address of the Sole Proprietor for non-commercial matters..
Customers domiciled in the EU/EEA additionally retain their statutory consumer rights and may lodge complaints with their local data-protection authority regarding personal-data matters.
16. Changes to the Terms
The Provider may amend these Terms. The current version is always published at sendersy.com/legal/terms with the effective date. Material changes are notified by email to the Account address at least 30 days in advance. Continued use after the effective date of changes constitutes acceptance.
17. Miscellaneous
- If any clause is held unenforceable, the remainder remains in effect.
- These Terms constitute the entire agreement on the subject matter and supersede prior communications.
- Notices to the Provider must be sent to support@sendersy.com; notices to the Customer — to the email on file.
18. Effective date
Version effective from 2026-05-21.