PREIN

/bin/sh

/usr/share/rpm-helper/add-user dovecot $1 dovecot /var/lib/dovecot /bin/false 
/usr/share/rpm-helper/add-group dovecot $1 dovecot dovecot

PREUN

/bin/sh

/usr/share/rpm-helper/del-service dovecot $1 dovecot

POSTIN

/bin/sh

/usr/share/rpm-helper/add-service dovecot $1 dovecot 
/usr/share/rpm-helper/create-ssl-certificate dovecot $1 dovecot

POSTUN

/bin/sh

/usr/share/rpm-helper/del-user dovecot $1 dovecot 
/usr/share/rpm-helper/del-group dovecot $1 dovecot