This License Agreement governs the installation and use of SpamSentinel, Verisend, and Inbox Genius (the “Provider Software”), proprietary on-premises spam filtering and visual email verification products for HCL Notes / Domino servers. By installing, copying, or using the Provider Software, Customer accepts these terms. If Customer does not accept these terms, Customer must not install the Provider Software, and any unused fees are refundable on request to billing@duocircle.com.
The earlier 2025 EULA is preserved at /legal/spamsentinel-eula-v1/ for reference. New installations and renewals on or after the effective date above operate under this Agreement.
Provider
| Field | Value |
|---|---|
| Provider | DuoCircle LLC |
| Address | 5965 Village Way, Suite 105-234, San Diego, CA 92130, United States |
| Authorized signer | Brad Slavin, Manager |
| General contact | support@duocircle.com |
| Legal notices | legal@duocircle.com |
| Trust center | trust.duocircle.com |
Provider Software
“Provider Software” means SpamSentinel, Verisend, and Inbox Genius, in each case the proprietary installable software product distributed by DuoCircle LLC for deployment on the Customer’s HCL Notes / Domino servers. The product family was historically published by Maysoft and is now operated by DuoCircle LLC under continuity of customer relationships.
License grant
Subject to Customer’s payment of fees and compliance with this Agreement, Provider grants Customer a non-exclusive, non-transferable, non-sublicensable license, during the Subscription Term, to install, copy, and use the Provider Software solely for Customer’s internal business purposes, scoped to either:
- Per-User: the number of authorized end-user mailboxes specified on the Order, or
- Per-Domain: the specific domains specified on the Order
Customer may make a reasonable number of backup copies of the Provider Software for archival purposes, retaining all original notices and proprietary markings.
Use restrictions
Customer must not, and must not permit any third party to:
- Sell, resell, sublicense, lease, lend, distribute, or transfer the Provider Software, or use it to provide a hosted or managed service to any third party. Resellers must execute a separate written reseller agreement.
- Modify, translate, adapt, decompile, disassemble, or reverse engineer the Provider Software, except to the extent applicable law permits notwithstanding this restriction.
- Remove or alter any proprietary notices in the Provider Software.
- Exceed the licensed user count, domain scope, or installation count specified on the Order.
- Use the Provider Software in violation of applicable laws, including export-control laws.
- Use the Provider Software to process data covered by HIPAA, PCI DSS Level 1 cardholder data, or comparable special-category regimes without prior written authorization from Provider.
Provider may, on reasonable notice and no more than once per twelve-month period, audit Customer’s use of the Provider Software solely to confirm compliance with the licensed scope. Excess use is remedied by Customer’s purchase of additional licenses at Provider’s then-current rates and reasonable audit costs where excess use exceeds five percent.
Subscription Term and renewal
Each Subscription Term lasts for an initial twelve months unless the Order states otherwise. Each Subscription Term may be renewed by mutual agreement of the parties for up to two additional successive twelve-month periods. Either party may decline renewal by giving notice at least thirty days before the end of the current Subscription Term. Provider may, but is not required to, renew further on then-current terms.
Fees and billing
Fees are stated on the Order and invoiced in advance for each Subscription Term. Fees are non-refundable except where required by law. Late fees accrue at 1.5 percent per month or the maximum permitted by applicable law, whichever is lower. Customer is responsible for all applicable sales, use, and value-added taxes (excluding Provider’s income taxes).
Support
Standard support is included for the duration of the Subscription Term and is provided by email at support@duocircle.com. Provider commits to commercially reasonable response targets for the Provider Software in line with industry practice for installable enterprise software. Major-version upgrades and security patches are included for active subscriptions. Custom integration, on-site deployment, or migration assistance is a Professional Service billable separately.
Data
The Provider Software processes email content, headers, and metadata local to Customer’s Domino server in order to perform spam filtering, virus scanning, and policy enforcement. The Provider Software does not transmit Customer email content to Provider. The Provider Software may transmit anonymized telemetry, license-status checks, and threat-pattern intelligence (sample hashes, sender reputation signals) to Provider’s servers. Customer may disable telemetry through the configuration interface; doing so may degrade threat-detection accuracy. The Provider Software is engineered so that no Customer Personal Data, as that term is defined under GDPR or equivalent regimes, is transmitted to Provider in the ordinary course.
Open-source notices
The Provider Software incorporates third-party open-source components. The full open-source notices and license texts are included in the installation package as THIRD-PARTY-NOTICES.txt and are mirrored at trust.duocircle.com. The open-source components are licensed to Customer under their respective licenses, and the Bonterms Software License Terms governs only the proprietary portions of the Provider Software.
Warranties
Provider warrants that, for ninety days after first installation, the Provider Software will substantially conform to the Documentation under normal use. Customer’s exclusive remedy and Provider’s entire liability for breach of this warranty is, at Provider’s option, repair, replacement, or refund of the fees paid for the affected installation. Apart from this warranty, the Provider Software is provided “AS IS.” Provider disclaims all other warranties, express or implied, including the implied warranties of merchantability, fitness for a particular purpose, title, and non-infringement, except to the extent such warranties cannot be disclaimed under applicable law.
IP indemnity
If a third party brings a claim against Customer alleging that the unmodified Provider Software, used as authorized in this Agreement, infringes or misappropriates that third party’s intellectual property rights, Provider will defend Customer against the claim and pay any settlement amount or final adverse judgment. Provider has the right to control the defense and settlement, subject to Customer’s reasonable approval where settlement requires Customer to admit fault. If Provider reasonably believes the Provider Software is or may be subject to such a claim, Provider may at its option (a) procure a license, (b) modify the Provider Software, or (c) terminate the affected Order and refund the unused portion of fees.
Limitations of liability
The Enhanced Cap is one and a half times the General Cap. The General Cap is the amounts paid or payable by Customer to Provider under this Agreement in the twelve months immediately preceding the first incident giving rise to liability. Definitions otherwise follow Bonterms Software License Terms Section 14. Uncapped Claims include the indemnifying party’s obligations under Section 15, breaches of confidentiality (excluding breaches related to Customer Data), and any liability that cannot be limited under applicable law.
Confidentiality
Each party will protect the other’s Confidential Information using the standard set out in Bonterms Software License Terms Section 16. Confidential Information includes the Provider Software, Documentation, pricing, security materials, and any other information identified as confidential or that a reasonable person would understand to be confidential. Confidentiality obligations survive termination for three years, and indefinitely for trade secrets.
Export control
The Provider Software is subject to United States and other applicable export-control laws. Customer must not export, re-export, or transfer the Provider Software in violation of those laws, including to any country, end user, or end use prohibited by U.S. law. Customer represents that it is not located in, under the control of, or a national or resident of any country to which export of U.S.-origin software is restricted.
Term and termination
Either party may terminate this Agreement for the other party’s material breach if the breach is not cured within thirty days of written notice. On termination, Customer must cease all use of the Provider Software and destroy all copies in its possession or control. Customer’s obligation to pay fees for the unused portion of any prepaid term survives termination, except where Provider terminates without cause or where Customer terminates for Provider’s material breach.
Governing law
These terms are governed by the laws of the State of California, without regard to its conflict-of-laws principles. The federal and state courts of San Diego County, California have exclusive jurisdiction over any dispute arising under or relating to these terms.
Material changes
Provider will give Customer at least thirty days advance notice of any material change to the Provider Software’s documented features, the Support Policy, or the security posture. If Customer reasonably determines that any such change materially reduces the documented functionality of the Provider Software, Customer may terminate the affected Order for convenience with thirty days notice, and Provider will refund any prepaid, unused fees.
Trials and betas
Provider may offer optional trial or beta versions of the Provider Software. Use is permitted for Customer’s internal evaluation during the period designated by Provider, or thirty days if not specified. Trials and betas are provided as-is, with no warranty, indemnity, or support. Provider’s liability for trials and betas does not exceed the fees paid for them or 1,000 USD, whichever is greater.
Modifications to the standard form
The Bonterms Software License Terms governs except as expressly modified by the Provider-Specific Terms above and the use restrictions, audit, telemetry, and warranty provisions specific to installable email-security software. There are no other modifications.
Earlier versions
The 2025 SpamSentinel installer EULA is preserved at /legal/spamsentinel-eula-v1/. Customers operating under the earlier EULA continue under those terms until their next renewal or upgrade, at which point they accept this Agreement.
Questions about this document?
DuoCircle LLC, 5965 Village Way, Suite 105-234, San Diego, CA 92130. Email legal@duocircle.com for legal inquiries, or support@duocircle.com for everything else.