Found It - Re: spam folder and POP users

Robert Moskowitz rgm at
Fri Nov 21 00:20:01 UTC 2014

On 11/20/2014 05:57 PM, Gedalya wrote:
> On 11/20/2014 05:51 PM, Robert Moskowitz wrote:
>> On 11/20/2014 05:29 PM, Robert Moskowitz wrote:
>>> I am new to actually running dovecot.  I actually still use POP as I 
>>> have for YEARS and thunderbird does not make it easy to convert to 
>>> IMAP...
>>> My server is moving all tagged spam into the IMAP spam folder. Very 
>>> nice for the IMAP users, but not for the POP users.  Of course the 
>>> server don't know, and the mysql database for users does not have 
>>> any flags for this.  Don't want my server to fill up with spam from 
>>> POP users that don't know to check via IMAP.
>>> I am using roundcubemail for the webmail IMAP client.  Is there any 
>>> way for POP users to indicate that they do not want spam so nicely 
>>> auto moved to the IMAP spam folder?
>> Obviously I picked this up and did not think through the results. 
>> Seemed good at the time...
>> mkdir /home/sieve
>> cat <<EOF>/home/sieve/globalfilter.sieve || exit 1
>> require "fileinto";
>>   if exists "X-Spam-Flag" {
>>           if header :contains "X-Spam-Flag" "NO" {
>>           } else {
>>           fileinto "Spam";
>>           stop;
>>       }
>>   }
>>   if header :contains "subject" ["***SPAM***"] {
>>     fileinto "Spam";
>>     stop;
>>   }
>> EOF
>> chown -R vmail:mail /home/sieve
>> ============================================
>> So one option is just to disable this.  Another is to work out how 
>> each user can do this if they want...
> You're already using roundcube, so just enable managesieve and the 
> roundcube managesieve plugin, and let every user configure for 
> themselves how to react to the X-Spam-Flag header.
> You can drop in a few sieve scripts as suggestions and they can enable 
> the one they like, or none, if they prefer to use their local mail 
> client for sorting this out.
I was just figuring that out.  Kind of tossed everything into the sink 
and now I have to sort it out.

Let the IMAP users (most likely Roundcube) deal with it themselves and 
let the POP3 users continue to get their spam to eat.

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