I had the problem with the part:
apparmor="ALLOWED" operation="connect" info="Failed name lookup - disconnected path" error=-13 profile="/usr/lib/dovecot/dovecot-lda" name="run/dovecot/auth-userdb" pid=15664 comm="dovecot-lda" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=134
After modifying rsp. udating the file /etc/apparmor.d/tunables/devecot with the place where I'm storing the mails it was working
I had the problem with the part: "/usr/lib/ dovecot/ dovecot- lda" name="run/ dovecot/ auth-userdb" pid=15664 comm="dovecot-lda" requested_mask="wr" denied_mask="wr" fsuid=0 ouid=134
apparmor="ALLOWED" operation="connect" info="Failed name lookup - disconnected path" error=-13 profile=
After modifying rsp. udating the file /etc/apparmor. d/tunables/ devecot with the place where I'm storing the mails it was working