History mails are stored in the tmp/ directory

[lty]

>> On 20/07/2020 10:37 lty <lty at cndns.com> wrote:
>> 
>> We found that there are historically corrupted mails in the tmp/
>> directory,
>> For example, Maildir/tmp/ or Maildir/.Drafts/tmp/ exists.
>> We suspect that it may be caused by network transmission, or the user
>> interrupted the network link.
>> Can the dovecot team possibly fix this problem?
>> dovecot --version
>> 2.2.36
> 
> Hi!
> 
> Not sure what the problem to fix would be though. It should be safe to 
> just rm those files. When dovecot is moving/storing mails with maildir, 
> it will first write them under tmp/ *and* if the operation is 
> succesful, then they are linked to destination and unlinked from tmp/.
> 
> Aki

Can tmp/ directory mail be stored for a long time?
Can dovecot handle tmp/ historical mail by itself?