Question Mails direct copy via ftp (ssh)

[eronardiaras]

Server operating system version

CentOS Linux 7.9.2009

Plesk version and microupdate number

Obsidian 18.0.43 #1

I don't have enough free space on the server for a traditional backup.

I think I’m going to copy the mailboxes for each domain directly (via ftp [ssh, mput]).

- Is this feasible?
- Won't it cause an error?
- Where can I find the files I need to copy? (mailboxes)
- What should I pay attention to?

(CentOS Linux 7.9.2009 Obsidian Postfix/Dovecot)