Vconvert Backend

On destination host
Install Rocky 7 8 or 9
qmailctl stop && systemctl stop dovecot

c) On destination host
# Convert vpasswd files to mysql vpopmail db, aliases must be handled manually
/home/vpopmail/bin/vconvert -c -m
qmailctl cdb && qmailctl start && sleep 2s && systemctl start dovecot && toaststat

2) In place conversion*

# qmailctl stop && systemctl stop dovecot
# yum install -y yum-utils
# yum-config-manager --enable qmt-current
# yum reinstall qmail qmailadmin dovecot* ezmlm* vpopmail vqadmin
# /home/vpopmail/bin/vconvert -c -m
# qmailctl start && sleep 2s && systemctl start dovecot && toaststat
* Aliases must be done manually.
  Will convert to many domain format if 
  vpopamil was compiled with this option

Questions, comments, suggestions, corrections...contact Eric on the QMT list