OT postfix recipient verification

Rick Cooper rcooper at dwford.com
Wed Jan 6 20:40:14 GMT 2010

----Original Message----
From: mailscanner-bounces at lists.mailscanner.info
[mailto:mailscanner-bounces at lists.mailscanner.info] On Behalf Of Alex
Neuman Sent: Wednesday, January 06, 2010 3:26 PM To: MailScanner discussion
Subject: Re: OT postfix recipient verification

> **DISABLING*** verification is potentially catastrophic, as it opens the
> possibility for someone to abuse your server. I don't believe servers
> should blindly accept e-mail for their users without verifying that those
> users exist in the first place. 

Duh, now that I have pulled my head from the dark place I see I miss read
the inflection

My bad
> On Jan 6, 2010, at 3:13 PM, Rick Cooper wrote:
>>> change what the system does (by disabling recipient verification, which
>>> is potentially catastrophic).
>> Why would recipient verification be catastrophic? I would think any
>> responsible system would verify recipients before accepting the mail.
>>> On Jan 6, 2010, at 1:10 PM, Jason Ede wrote:
>>>> My response so far has been that they need to fix their list of email
>>>> recipients to all be valid addresses as basic maintenance anyway, but
>>>> they're worried that if someone on the To list leaves then emails will
>>>> suddenly stop coming through again. Any ways round this?
>> The way I handle these distributions within our company(s) is these
>> types of mails are sent to an alias that explodes into the actual
>> recipients. I do this for the very reason stated, it's easier for me to
>> replace someone on the alias list than manage all the points from which
>> the contact might originate. Anything that relates to say sales at abc.com,
>> service at abc.com is handled the same way.
> --
> MailScanner mailing list
> mailscanner at lists.mailscanner.info
> http://lists.mailscanner.info/mailman/listinfo/mailscanner
> Before posting, read http://wiki.mailscanner.info/posting
> Support MailScanner development - buy the book off the website!

This message has been scanned for viruses and
dangerous content by MailScanner, and is
believed to be clean.

More information about the MailScanner mailing list