Programmers with network engineering skills

Fri Mar 16 19:37:04 UTC 2012

Steve Bertrand wrote:
> imo, this discussion of outbound SMTP has been sounding akin to me 
> saying I should let my upstream ensure that all of my BGP announcements 
> are good, instead of filtering my own outbound.

 > know whether the address is to RFC or not. Less bugs and changes, I feel
 > it is better to give the remote host known-good data then have to have
 > them tell me it is bad.

I don't think it's comparable. Because you would not use a remote MTA to 
validate your email address. You would use the MTA that listens on 
localhost on the server your code is running. It's really trivial to 
install an MTA that only listens on localhost and submits email to a 
smarthost.

I mean, if you have code on a webserver that gets form data and sends 
out emails you best run an MTA locally to which you submit the email and 
be done with it. The local MTA will take care of queuing and all that 
for you and submits your email to a smarthost, und so weiter.

> In Perl for example, there is Email::Valid. One line of code and you 

Of course use something like that if it's available to you.

Regards,
Jeroen

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