Daily check-in reminder emails lacked context about which organization they were for and when reminders were scheduled. Users had no way to manage settings from the email.

Changes

Email Content Enhancement

• Display organization name in highlighted box for users with team assignments
• Show reminder time in user's local timezone (e.g., "09:00 AM (America/New_York)")
• Add direct link to /reminder-settings/ in email footer
• Personalize greeting with username

Email Delivery

• Switch from batch BCC to individual emails for personalization
• Add throttling: 0.1-0.3s between sends, 1-2s every 10 emails
• Maintain both plain text and HTML versions using EmailMultiAlternatives

UI Enhancement

• Add "Send Test Reminder" button to settings page for preview

Implementation

Email generation now includes context:

# Get organization from user's profile
org_name = ""
if profile and profile.team:
    org_name = profile.team.name

# Format time in user's timezone
reminder_time_str = reminder_settings.reminder_time.strftime("%I:%M %p")
timezone_str = reminder_settings.timezone

# Individual personalized email
email = EmailMultiAlternatives(
    subject="Daily Check-in Reminder",
    body=f"Hello {user.username},\n\nReminder for {org_name}...",
    from_email=settings.DEFAULT_FROM_EMAIL,
    to=[user.email],
)

No database migrations required—uses existing UserProfile.team relationship.

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