[Dovecot] v1.1 max connections per user

[Bill Boebel]

On Sat, June 30, 2007 7:50 pm, Charles Marcus  said:

> Timo Sirainen, on 6/30/2007 7:25 PM, said the following:
>> On Sat, 2007-06-30 at 19:11 -0400, Charles Marcus wrote:
>>> Timo Sirainen, on 6/30/2007 6:43 PM, said the following:
>>>> v1.1 has now:
>>>>
>>>> # Maximum number of connections allowed for a user. The limits are enforced
>>>> # separately for IMAP and POP3 connections, so you can move this setting
>>>> # inside protocol {} to have separate settings for them. NOTE: The user names
>>>> # are compared case-sensitively, so make sure your userdb returns usernames
>>>> # always using the same casing so users can't bypass this limit!
>>>> #mail_max_user_connections = 10
>>>>
>>>> Is 10 a good default?
>>> I'm assuming this is per IP?
>>
>> No. I'm not sure if it should. Perhaps. It's mostly intended to prevent
>> unintentional abuse by stupid clients, so having 3+ thunderbirds open in
>> different locations with each having 5 connections should probably be
>> allowed.
> 
> Ok - you said 10 was the default - but then said that 15 (3 TBirds x 5)
> connections should be allowed, which is more than 10... so... you just
> meant that one could accommodate that by upping this limit to 15?

I like 15.  That way it is high and isn't as likely to affect existing installations unless they manually set it to something lower.  Or if you want to have a separate default for POP vs IMAP, I'd use 5 for POP and 15 for IMAP.