OT - Recipient verification

[UxBoD]

Cannot fault Postfix, though here good things about Exim aswell.
----- Original Message -----
From: "DAve" <dave.list at pixelhammer.com>
To: "MailScanner discussion" <mailscanner at lists.mailscanner.info>
Sent: Tuesday, July 24, 2007 2:35:36 PM (GMT) Europe/London
Subject: Re: OT - Recipient verification

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.

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
> 


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