*[VaibhaV Sharma on Fri, Jan 01, 1999 at 12:18:32AM +0530]:
>Rate limiting? Can you explain a bit more / any pointers?
Check the sendmail.cf file - there are some paramenters like
O MaxDaemonChildren
etc. These, if set, will restrict the number of mails you can send / recv using your
server.
>How would mailbox quotas help in blocking the relay so that they are unable
>to SEND any mails to ANY OTHER DOMAIN outside our domain.
the mailhub I explained (setting up another linux box as a buffer betwn yr mailserver
and the internet)
>> > outside our local domain i.e. to the smart host. But at the same time
ipchains rules set by a cronjob if you want to allow access at certain times only
>> Have a mailhub setup, where ppl's accounts are aliased to accounts on an
>inner
>> mailserver. Only those who can send out outgoing mail get mapped in the
>> mailserver that relays to the outside world.
>>
>
>Some more explanation if you don mind? What I;ve got here is Just one
>machine for this purpose. Cant put another extra machine just for blocking.
>Maybe some time later.... when the user accounts grow large in number.
>
>
>VaibhaV
>
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