How to check for existing mail accounts?

[Benedict simon]

> Kevin Miller wrote:
>> Johnny Stork wrote:
>>> its sendmail
>>>
>>> Kevin Miller wrote:
>>>> Johnny Stork wrote:
>>>>
>>>>> I have noticed a large increase in the amount of spam coming in to
>>>>> MS (latest) running on CentOS 5 and many are coming into
>>>>> non-existent email accounts. Is there a check that can be done for
>>>>> the existence of an account first, and then if non-existent, block
>>>>> even before any scanning is done, let alone processing through MS.
>>>>>
>>>>> Thanks for any suggestions that anyone can give
>>>>>
>>>> What MTA are you using?  You can run recipeint verification on
>>>> sendmail via milters, and I'm sure Postfix has similar
>>>> functionality...
>>>>
>>>> ...Kevin
>>
>> Then see http://smfs.sourceforge.net/smf-sav.html
>>
>> Note that this does both sender and recipient address verification.  I
>> presume your gateway is forwarding on to another host where the
>> recipients actually reside.  The milter uses ldap calls to get the
>> recipient data, so your internal email server will need to be able to do
>> that.  Ours is Exchange, which does.
>>
>> HTH...
>>
>> ...Kevin
>
> Correction - smf-sav milter does not use ldap.  It uses the call-ahead
> method, so ldap is not required (one of the reasons I chose it).
>
> Clarification - smf-sav milter is capable of doing both sender and
> recipient address verification.  Sender verification can (and in many
> cases should) be disabled.
>
> Brendan

Thanks Brenden,

I jus read ur reply to the above post and did get a some qucik ideas.
I am using sendmail 8.13 and mailscanner + spamassassain + clamav
 and also squirrelmail

can the above milters work with sendmail n mailscanner and will it be
useful in addtion to my confguration

apprecite your help and suggestion

Thanks and regards

simon

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