Cookie Policy

This Cookie Policy explains how 251SMS uses cookies and similar technologies to deliver secure, reliable, and personalized enterprise messaging services.

Strictly Necessary Cookies

Essential for authentication, account security, session management, fraud prevention, and core messaging services.

Session ID, CSRF tokens, authentication, security cookies, load balancing.

Performance Cookies

Help us improve system speed, API performance, SMS delivery, and overall platform reliability.

Response times, queue performance, gateway latency, system health metrics.

Functional Cookies

Remember your settings and preferences for a faster and more personalized experience.

Theme mode, language, dashboard layout, sidebar state, login preferences.

Analytics Cookies

Provide insights into platform usage so we can improve features, usability, and service quality.

Feature usage, page visits, navigation flow, performance analytics.

Marketing Cookies

Measure marketing campaign performance and improve customer engagement across our public websites.

Campaign attribution, conversion tracking, referral sources, advertising performance.

Messaging Optimization

Enhance SMS campaign performance, delivery optimization, automation workflows, and messaging reliability.

Campaign settings, delivery optimization, sender preferences, message editor configuration.

Language & Localization

Store your language, display, and accessibility preferences across the platform.

Language selection, RTL/LTR layout, fonts, timezone, dashboard preferences.

Open Preference Center Privacy Policy