OT - Recipient verification

[Ken A]

DAve wrote:
> UxBoD wrote:
>> We use Lotus Notes here so on the front-end MTA's I just grab the user 
>> email addresses from LN-LDAP, write them to a flat file and Postfix 
>> takes care of everything else. Simple solution - great results.
>>
>> I presume you are using SendMail DAve ?
> 
> Yep, though I may change that to Postfix.

You can do the same in a sendmail access list.

# Entry for each valid user
To:user1 at domain.tld   RELAY
To:user2 at domain.tld   RELAY
#
# Default Entry to Reject all others
#
To:domain.tld    ERROR:5.1.1:550 User unknown

Ken

> 
> DAve
>> ----- Original Message -----
>> From: "DAve" <dave.list at pixelhammer.com>
>> To: "MailScanner discussion" <mailscanner at lists.mailscanner.info>
>> Sent: Tuesday, July 24, 2007 1:59:01 PM (GMT) Europe/London
>> Subject: OT - Recipient verification
>>
>> Just asking here because of the knowledge bank we have. Feel free to 
>> respond off list, though I suspect that are a lot of us running 
>> multiple copies of MS.
>>
>> Currently we use milter-ahead on our MailScanner gateways and we use 
>> milter-ahead to verify the recipient. We will be splitting our mail 
>> network geographically to take advantage of NOC-2 about 50 miles away. 
>> Half our MailScanner gateways and outbound servers will go to NOC-2. 
>> We can't move our toasters yet because the Maildirs are NFS mounted.
>>
>> If NOC-1 goes down I still want the MailScanner gateway in NOC-2 to 
>> accept mail. My problem is that milter-ahead needs to verify recipient 
>> addresses with the toaster in NOC-1. Every milter/MTA solution I have 
>> found verifies the recipient address by connecting to the destination 
>> MTA, our toaster, which may be unreachable.
>>
>> What I need is to verify the recipient address with a local store on 
>> the MailScanner gateway. I would like to use a SQL db as I can easily 
>> slave it off the toasters SQL store. Anyone have any ideas how to go 
>> about this?
>>
>> Thanks,
>>
>> DAve
>>
> 
> 


-- 
Ken Anderson
Pacific.Net