Sieve scripting

[Lefteris Tsintjelis]

On 13/5/2019 11:45, Aki Tuomi via dovecot wrote:
> 
> On 13.5.2019 11.14, Lefteris Tsintjelis via dovecot wrote:
>> I want to monitor a special folder and execute a shell script each
>> time I put an email to it. I would like to automate that way the
>> process of SPAM reporting (SPAMCop). Is that possible with sieve?
> 
> Yes, see
> 
> https://wiki2.dovecot.org/HowTo/AntispamWithSieve

It seems to work great but only within the same server. It I copy 
anything from a different server it simply does not work. Is there a way 
around this?