Only use the necessary data points for re-engagement

[Rajulk985]

Action:
Initial Consent: Ensure your initial Telegram bot consent process is robust for all channels you might use later (email, SMS).
Implied Consent (Limited): If you're re-engaging via the same Telegram bot they initially interacted with, it's generally within the bounds of implied consent for ongoing relationship management, provided you focus on value and respect opt-out.
New Consent for New Channels: If you want to email a cold Telegram lead who only gave consent for Telegram, you'll need to use Telegram to ask for email consent first.
Hashing for Ads: When using email/phone for custom audiences on ad platforms, ensure data is hashed for privacy.
Transparency & Privacy Policy:

Principle: Clearly state in your privacy policy how you usa telegram mobile phone number list collect, store, and use data for re-engagement purposes, including cross-channel outreach and sharing with ad platforms.
Action: Make it easy for users to access your privacy policy.
Data Minimization:

Action: Don't pull or share irrelevant data.
Provide Easy Opt-Outs:

Principle: Every re-engagement message, regardless of channel, must have a clear and easy way for the user to opt-out or unsubscribe.
Action: "Reply STOP to unsubscribe" for SMS, clear unsubscribe links for email, and instructions within your Telegram bot.
Value Over Volume:

Principle: Your re-engagement messages should always offer genuine value, not just sales pitches. Over-messaging cold leads is a fast way to lose them permanently.
Action: Focus on solving a problem, providing an update, or offering a helpful resource.