[Dovecot] vacation and field FROM

Hi to all Here is the following scheme: Dovecot in a link with AD. For LDA and IMAP different views are used in a base. For example there is a user with such e-mail type - 1.name@domain.ltd with the name of authorization auth_1.name. Incoming male folds up in /var/mail/domain/auth_1.name

When vacation is on, the letters from 1.name@domain.ltd are sent in a following way auth_1.name@domain.ltd I guess the problem is in two different data-base queries. Could you please tell me how to solve this problem and to make the answer to be sent from the same adress it is comes to.

part of dovecot.conf

     protocol lda {
     mail_plugins = sieve acl
     hostname = domain.ltd
     postmaster_address = <postmaster@domain.ltd>
     auth_socket_path = /var/run/dovecot/auth-master_lda
     log_path = /var/log/dovecot-deliver.log
     }

     auth default {
     verbose = no
     debug = no
     debug_passwords = no
     mechanisms = plain
     user = dovecot
     passdb passwd-file {
     args = /etc/dovecot/passwd.masterusers
     master = yes
     }
     passdb ldap {
     args = /etc/dovecot/dovecot-ldap.conf
     }
     userdb static {
     args = uid=20000 gid=20000 home=/opt/mail/user_mailbox/%Lu
allow_all_users=yes
     }
     socket listen {
     master {
     path = /var/run/dovecot/auth-master
     mode = 0660
     user = vmail
     group = vmail
     }
     client {
     path = /var/spool/postfix/private/dovecot-auth
     mode = 0660
     user = postfix
     group = postfix
        }
     }
}

     auth auth_lda {
     verbose = no
     debug = no
     debug_passwords = no
     mechanisms = plain
     user = dovecot
     passdb ldap {
     args = /etc/dovecot/dovecot-ldap_lda.conf
     }
     userdb ldap {
     args = /etc/dovecot/dovecot-ldap_lda.conf
     }
     socket listen {
     master  {
     path = /var/run/dovecot/auth-master_lda
     mode = 0660
     user = vmail
     group = vmail
     }

part of dovecot-ldap.conf (filter options)

pass_attrs = sAMAccountName=user
pass_filter =
(&(sAMAccountName=%u)(objectClass=user)(!(userAccountControl:1.2.840.113556.1.4.803:=2)))

part of dovecot-ldap_lda.conf

user_attrs = sAMAccountName=user
user_filter = (mail=%u)

pass_attrs = sAMAccountName=user
pass_filter = (mail=%u)

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