Re: [exim] rotate inbound mail to multiple local accounts

Paul Hayes <paul@???> wrote:

> Andrzej Adam Filip wrote:
>> Paul Hayes <paul@???> wrote:
>>> I need to solve the following problem:
>>>
>>> Inbound mail to a single account needs to be shared out between multiple
>>> addresses. For example, if an alias "catchall@???", I want the
>>> emails coming into this to be shared out between a number of local users
>>> such as "user1@???", "user2@???", "user3@???". I
>>> don't want mail copied between the accounts so the first mail that comes
>>> in goes to "user1@..", then the next one to "user2@.." etc...etc...
>>>
>>> Is there a built-in feature of exim that'll allow me to do this or am I
>>> best off routing the mail to an external perl script to handle it? I
>>> guess the script would keep a counter stored in a file so it knows where
>>> the next email will go.
>>
>> I would suggest you making exim (MTA) deliver "via" procmail script.
>> [ e.g. via making exim support ~/.procmailrc ]
>> In procmail script you can use external perl script to generate
>> "rotated" destination. You can use procmail locking or locks in perl to
>> avoid "race conditions".
>>
>> The above simple solution is:
>> a) portable - it should work with almost all unix/linux MTAs
>> b) is appropriate unless you expect *HUGE* load
>>
>
> Thanks for that, seems a good idea.
>
> Just two questions (I've not used procmail before):
>
> - I assume "catchall" will have to an actual user now (so the
> ~/.procmailrc file can exist)
>
> - exim will only route mail to procmail for users with a ~/.procmailrc
> file? So mail for the other users on the system will continue as normal.

You can call procmail from ~/.forward file.
[ There are slightly better but more complicated ways ]

--
[pl>en: Andrew] Andrzej Adam Filip : anfi@??? : anfi@???
The only winner in the War of 1812 was Tchaikovsky.
-- David Gerrold