Mailerlite Campaign Troubleshooting

I need help with my Mailerlite account, specifically regarding a campaign I'm currently running.

Key Issues:
- Low click rates on emails

Actions Taken:
- Changed from double opt-in to single opt-in

Ideal Skills & Experience:
- Expertise in Mailerlite
- Experience improving email campaign metrics
- Knowledge of best practices for increasing click rates

Looking for a freelancer who can diagnose the issue and provide actionable solutions.