[Dovecot] Redirecting mail gives 'mail forwarding loop' to the sender - calling for sieve help

[Stephan Bosch]

Timo Sirainen wrote:
> On Fri, 2009-08-14 at 19:37 -0300, Andrés Yacopino wrote:
>> Yes, that is a global script.
>> Yes you are the right , the script is executed again but i thought that 
>> this line do the verification to avoid this:
>>
>> if header :contains ["To","Cc"] "userA at acasalud.com.ar"
>>
>> It seems it didnt' but why?, can you explain better?
> 
> Redirection doesn't modify To or Cc headers.
> 
> If you want this redirection to work only for userA, why is it in a
> global after script anyway, instead of userA's own script?

You could use the envelope test, but I agree: what is the reason for 
this odd/interesting setup?

Regards,

Stephan.