Users should instantly know who is messaging them

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Avoid: Messages that are purely promotional without offering a benefit, or that could be easily found elsewhere.
Manage Frequency Appropriately:

Respect User Preferences: If users specified a preferred frequency (e.g., weekly updates), adhere to it strictly.
Start Conservatively: Begin with less frequent messages and gradually increase if engagement metrics indicate a desire for more.
Avoid Burst Messaging: Don't send multiple messages in quick succession unless it's part of an expected, value-driven sequence (e.g., an OTP, a multi-step onboarding).
Consider Quiet Hours: Avoid sending messages late at night or very early in the morning unless it's absolutely critical and expected by the user.
Clear Identification & Branding:

Ensure your Telegram bot/channel name is immediately recognizable and consistent with your brand.
Use your brand logo and consistent tone of voice.
Set Clear Expectations:

When users subscribe, tell them hong kong telegram mobile phone number list what to expect. "You'll receive 2-3 updates per week on [Topic A] and occasional exclusive offers." This reduces the likelihood of them being surprised or annoyed by message volume or content.
Technical & Operational Best Practices for Avoiding Spam Complaints
Beyond content, technical setup and ongoing management play a huge role.

Easy & Prominent Opt-Out (Unsubscribe) Mechanism:

Single Click/Command: Make it effortless for users to unsubscribe. A simple /stop or /unsubscribe command in your bot should immediately remove them from all marketing lists.
Confirmation: Send a brief confirmation that they've been unsubscribed.
Immediate Action: Ensure unsubscribes are processed instantly. Delayed removal fuels frustration.
Link in Every Marketing Message (Optional but Recommended): Similar to email, consider including a subtle "Unsubscribe here: [link to bot command]" at the bottom of marketing messages.