You can receive, decrypt, and reply with attachments for free — forever. No credit card required upfront — start your 7-day free trial today.
free trial
Perfect when your contacts are already MySQIF™ subscribers, or are Essentials only to receive messages (e.g. HIPPA healthcare records, legal documents, contracts for signature) from you. Includes a genuine license to social networking.
free trial
Select above the number of people for your team (6 to 23) and save more as your team grows.
free trial
Perfect for organizational teams and for unique circumstances. MySQIF™ advanced, state-of-the-art programming code is highly flexible, including provisioning of APIs. Contact: sales@leader.com
free trial
You can receive, decrypt, and reply with attachments for free —forever. No credit card ever required with this "reader" option — start your 7-day full-featured free trial today.
free trial
Perfect when your contacts are already MySQIF™ subscribers, or are Essentials only to receive messages (e.g. HIPPA healthcare records, legal documents, contracts for signature) from you. Includes a genuine license to social networking.
free trial
Select above the number of people for your team (6 to 23) and save more as your team grows.
free trial
Perfect for organizational teams and for unique circumstances. MySQIF™ advanced, state-of-the-art programming code is highly flexible, including provisioning of APIs. Contact: sales@leader.com
free trial
Answer.
We use Stripe as our payment processor, which supports over 128 payment methods worldwide.
By default, we accept: Visa, Mastercard, American Express (AMEX), Discover, Diners Club, JCB, China UnionPay, as well as local payment methods including ACH Direct Debit (United States), Pay by Bank (UK, Finland).
Don’t see your preferred payment method? Please contact us at customerservice@leader.com , and we’ll do our best to add it as soon as possible.
Answer:
Common reasons include an unstable internet connection, typing errors in your name, card number, expiration date, or security code, insufficient funds, an expired or inactive card, your bank’s fraud detection system flagging the transaction (this can happen even with a healthy account), or regional restrictions.
We recommend trying a different card or payment method, waiting a few minutes before retrying, or contacting your bank or card issuer directly — they can give you the specific reason for the decline.
Answer:
Check your spam folder. If still missing, contact MySQIF™ support with your order number.
Answer:
Yes, the full amount is charged at the time of purchase. Recurring charges occur on the same date each month/year.
Answer:
Yes, you can update your payment method anytime in your Account → Billing Settings. Alternatively, contact us and we will will help you make the changes
Answer:
Yes, an email and a link to a PDF receipt is automatically sent after purchase. Alternatively, we can send invoices via PDF and/or print and regular mail, just let us know your preference.
Answer:
Yes, applicable sales tax, VAT, or GST will be added at checkout based on your location.
Answer:
This may be due to taxes, currency conversion, or promotional pricing.
Answer:
We offer a 14/30-day money-back guarantee. Refunds are processed within 5–10 business days.
Answer:
After Your Payment is Confirmed
You will be automatically directed to the MySQIF™ Locked Mail™ Leaderboard.
Look for the large dark blue button labeled “DOWNLOAD MYSQIF BUILD N.N.NN.N_x64” and click it to start the download.
Once the download begins, follow the Installation Instructions shown below the button.
Note: Windows may display a security warning saying “This download could harm your device. Do you want to keep it anyway?” If this appears, click Keep. This is a standard warning for newly downloaded software. The installation should proceed smoothly afterward.
Answer.
System Requirements
Important Note: MySQIF™ provides technical support for the MySQIF™ application only. We do not provide support for setting up or troubleshooting virtual machines on macOS or Linux.
Answer.
Yes, you can cancel your subscription at any time.
You will continue to have full access until the end of your current billing period. After that, your account (and each user on your plan) will automatically revert to the Essentials plan.
Even on the Essentials plan, you can still receive, decrypt, and reply to MySQIF Locked Mail.
Answer:
Contact our sales team for custom quotes and we’ll support PO/invoice payment for enterprise orders.
Answer:
Polymorphic Encryption: A True Paradigm Shift
MySQIF™ uses advanced polymorphic encryption that fundamentally changes the game for data security. Unlike traditional encryption methods such as AES-256, TLS, and E2EE — which are proven to be vulnerable — MySQIF™ ’s encryption is certified quantum-proof.
Your data-in-motion is protected at a level that is effectively impossible to crack with known or foreseeable technology. Once decrypted on your device, your standard privacy and security practices (device security, password hygiene, etc.) apply as they do for any other data on your computer.
Answer:
Yes, we provide guided onboarding, video tutorials, and live training sessions for teams.
Answer:
VPN stands for Virtual Private Network. It is designed to create a secure, encrypted connection between your device and the internet — often described as a "secure tunnel." This helps mask your real IP address and protect your data as it travels across the web.
While the concept is appealing, traditional VPNs rely on standard encryption algorithms (such as AES-256) that are well-understood and have known vulnerabilities.
By contrast, MySQIF™ Locked Mail™ uses advanced polymorphic encryption — generating tens of thousands of unique, one-time keys for each message. This approach creates ciphertexts that are undecryptable eons, even if intercepted, with security margins estimated to exceed the lifetime of the universe by orders of magnitude.
In short, while VPNs promise privacy and security, MySQIF Locked Mail™ actually delivers on those promises with a fundamentally stronger form of protection.
Please take a few moments to let me know how we can answer your questions about MySQIF™ Locked Mail™ and polymorphic encryption.