Migrate Client to cyon.ch

1. Create the client account on cyon with a primary domain

2. Add additional domains

3. Set up any domain redirects

4. Create email addresses and forwarding rules (if email is hosted internally)

5. Switch email routing in the cyon DNS manager to external (if email is hosted elsewhere)

6. Disable greylisting for the domains

7. Set up SSH key access to the server for the local terminal

8. Create a preview domain

9. Create the databases

10. Transfer the website to the preview domain

11. Create the new email accounts in parallel with the old ones

12. Migrate emails from old accounts to new ones (imapsync)

13. Point the nameservers at the old provider to cyon

14. Wait 48–72 hours (DNS propagation)

15. Transfer the domains manually to inwx

16. Set up a cronjob for local backups

Cyon's email servers use greylisting as additional spam protection. The first email from an unknown sender is marked as "Deferred" at the sender's server. The sending server will retry delivery, and then the sender is removed from the greylist.

Spammers don't bother (or spend the resources) to retry delivery, but legitimate mail servers do. This means the first email from an unknown sender may be delayed by a few hours. Contacts from the past are also considered unknown by the new server.

Greylisting can be disabled per domain on request.