Migrating from Selenium to Cypress is a popular choice due to Cypress’s advantages in terms of speed, reliability, and ease of use. To ensure that your email doesn’t go to spam when sending bulk emails, you should follow best practices for email deliverability. Here are some tips:

1. Use a Reliable SMTP Service: Ensure that you use a reputable SMTP service or email marketing platform to send your bulk emails. Popular choices include SendGrid, MailChimp, or Amazon SES.

2. Authenticate Your Emails: Implement SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail) authentication for your domain. This helps email providers verify that your emails are legitimate and not spam.

3. Maintain a Clean Email List: Regularly clean your email list by removing invalid or bounced email addresses. Sending emails to invalid addresses can harm your sender reputation.

4. Avoid Spammy Content: Ensure that your email content is not overly promotional or contains spammy keywords. Avoid using excessive capitalization, exclamation marks, or misleading subject lines.

5. Personalize Your Emails: Personalize your emails whenever possible. Use the recipient’s name and tailor the content to their interests if you have that information.

6. Segment Your Email List: Segment your email list based on user preferences and behavior. Sending relevant content to specific segments can improve engagement and reduce the chance of being marked as spam.

7. Monitor Email Engagement: Keep an eye on email open rates, click-through rates, and unsubscribe rates. Adjust your email strategy based on these metrics to improve engagement.

8. Opt-Out Mechanism: Include a clear and easy-to-find option for recipients to unsubscribe from your emails. This is not only a best practice but also a legal requirement in many places.

9. Avoid Large Attachments: Sending large attachments in bulk emails can trigger spam filters. Instead, provide links to download files or host them online.

10. Test Email Templates: Before sending your bulk emails, thoroughly test your email templates to ensure they render correctly in various email clients.

11. Gradual Sending: If you have a large list, consider sending emails in batches over time rather than all at once. This can reduce the risk of being flagged as spam.

12. Monitor Spam Complaints: Keep track of any spam complaints and take action promptly if recipients report your emails as spam.