[Dovecot] quota - implement via dovecot or postfix? which is easier ?

[Bill Cole]

Scott Silva wrote, On 2/10/09 11:34 AM:
> on 2-9-2009 7:53 PM Linux Advocate spake the following:
>>>> B. Am i right in concluding that its easier and better in the long run to 
>>> implement and enforce quotas thru dovecot instead of postfix?
>>>
>>> If you enforce quota with postfix only, the quota effects mail deliveries via 
>>> SMTP only, but not when IMAP users upload stuff.
>>>
>> Steffen, this i did not know. My understanding was that imap only reads what is stored, its is postfix and the LDA that actually writes to the mail box.
>>
>>
>> Regards,
>> marco
>>
> But with IMAP you can move messages in and out from other clients local
> stores, or from other servers entirely by drag and drop.

It also should be noted that many clients do this automatically with routine 
use, so users might not even understand that they are adding messages to 
their IMAP server, they might just know that they have Sent and Drafts folders.