Thank you!
Here is the whole problem I see:
as I saw how good it is to have messages compressed I used https://github.com/
George-NG/dovecot-maildir-compress script to compress whole mailboxes and thus
save more space on disk. Looks like lock won't worked well so now I can see
lines like that in Dovecot logs:
Error: Mailbox ... : Deleting corrupted cache record uid=61: UID 61: Broken
virtual size in mailbox ... : read(compress(/data/vmail/...)): FETCH BODY[] got
too little data: 38910 vs 70020"
I tried to recover these messages by uncompress files with your command, and I
can say it was possible to uncompress some files while others (the one that
were reffered by these errors lines) seems can't be recovered.
Seems like I have data lost in some messages and this is not something I got
used with dovecot which I use since pre-1.0 version.
P.S. I also tried gzip-ing messages so how have to ask you for the command to
un-gzip messages, as "doveadm fs get compress gzip:6:posix:prefix=$PWD/
filename" seems not working for me.
On 17/01/2024 18:08 EET acheka...@lazurit.com wrote:
Some time ago I enabled compression on incoming messages,
so LMTP delivered messages were compressed. Good idea in
terms of disk space, but now I cannot uncompress any of
these messages even when I need to!
I was using this setting:
plugins {
zlib_save = lz4
}
and now I can see this string at the beginning of each
message file - "Dovecot-LZ4", so no other software can
uncompress them for me.
Please advise, how can I uncompress message file in Maildir
mailbox when I need to access its contents directly?
One simple way:
doveadm fs get compress lz4:6:posix:prefix=$PWD/ filename
Aki
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