imap[xxx]: IOERROR: reading message: unexpected end of file

[Carlos Velasco]

> My cyrus imap version is 2.5.10 and my SMTP is a postfix 3.1.4
> 
> Apr 25 22:05:29 local6:err imap: imap[13453]: IOERROR: reading message: unexpected end of file
> 
> Looking into imap logs I see these errors at the end. All are "6 NO System I/O error".
> ===
> PK
> <1493150904<
>>1493150978>6 NO System I/O error
>  
> PK
> 
>>1493150760>6 NO System I/O error
> ===

I have narrowed it to message_copy_strict.
There is a mail related from 2007:
https://lists.andrew.cmu.edu/pipermail/info-cyrus/2007-October/027320.html

But I'm not using NFS, it is ext4 in my case.

Regards,
Carlos Velasco