question about %u and %h used in mail_location

Hello,

I have defined the following:

mail_location = maildir:~:INBOX=~/Maildir:LAYOUT=fs:INDEX=%u

%u is retrieve via database in that my username contain ":", in which it create some confusion to dovecot:

doveadm index -u user1:site@domain iNBOX doveadm(user1:site@domain): Error: remote(192.168.10.22:24245): Namespace '': Unknown setting: site@domain

I cannot change the value in DB so is there a workaround to this problem?

TIA.

• Joe