Hi Any idea ? or solutions ?

Hello I have a problem with Invalid data System debian10 dovecot-2.2.36.4

# 2.2.36.4 (baf9232c1): /etc/dovecot/dovecot.conf # Pigeonhole version 0.4.24.rc1 (debaa297) # OS: Linux 4.19.0-12-amd64 x86_64 Debian 10

Oct 23 15:57:52 dovecot6 dovecot: lmtp(33973,media4_js,2KEXD2Dhkl+1hAAAe3x6RQ): Error: Broken file /vmail/me/media4_js/Maildir/dovecot-uidlist line 6875: Invalid data:

In debian9 - kernel-4.9.0-13 - problem exists In debian10 - kernel-4.19.0-12 - problem exist

In debian8 - kernel 3.16.0-11-amd64 - problem not exists In debian9 - kernel 3.16.0-11-amd64 - problem not exists

storage mount from storage NetApp

storage:/vmail on /vmail type nfs (rw,noexec,noatime,vers=3,rsize=65536,wsize=65536,namlen=255,acregmin=120,acregmax=120,acdirmin=120,acdirmax=120,hard,nocto,nordirplus,proto=tcp,timeo=600,retrans=2,sec=sys,mountaddr=10.19.19.19,mountvers=3,mountport=635,mountproto=tcp,local_lock=none,addr=10.19.19.19)

cat /etc/fstab storage:/vmail    /vmail    nfs    rw,sec=sys,noexec,noatime,tcp,hard,rsize=65536,wsize=65536,intr,nordirplus,nfsvers=3,tcp,actimeo=120,nocto    0    0

Probably somthing in kernel or mount options. Any idea ?