Plesk & Webmail Migration Specialist

I need help fixing a webmail issue and migrating multiple sites and services.

Current Setup:
- Plesk on a VPS (rebooted recently due to malware)
- Webmail (Roundcube) not sending or receiving emails
- 5 websites, CRM, and webmail to migrate

Requirements:
- Fix webmail issue
- Migrate to new hosting ( existing Ionos)
- Completely set up new hosting environment
- Keep the same domain names

Ideal Skills & Experience:
- Expertise in Plesk and Roundcube
- Experience with VPS and SSH
- Strong data migration skills
- Familiar with malware cleanup and server configuration

Looking for someone reliable and skilled to ensure a smooth transition and setup.