[ILUG] Programmatic mail sending with Postfix

[Niall O Broin]

On Wednesday 7 April 2004, philip.reynolds at rfc-networks.ie (Philip Reynolds)
wrote:

>smtpd doesn't use the maildrop queue directory at all.
>Mails via ``sendmail(1)'' go:
>
>   sendmail -> maildrop -> pickup -> cleanup
>
>Mails via SMTP (and hence smtpd) go:
>
>   smtpd -> cleanup

I didn't know that - and it explains why postdrop is not so fast.

>You can use QMQP, but from what I've seen, I dislike it.

DJB's stuff give me hives. QMTP seemed like a nice idea (i.e. the concept of a
faster MTP) but then what does he do - decide to send the whole mail first so
you can't do envelope based rejection (RBL) until you've received the whole
mail. How dim is that?

>If your messages aren't unique, and you literally have one message
>to send to a couple of thousand recipients there should be a
>negligible overhead in using QMQP/ESMTP pipelining.

But there's the rub - the messages ARE unique. Personalised spam - can't beat
it :-)  C'est la vie.



Niall