Drew Tomlinson:
> I'm running Postfix 2.6 and using phplist to send a newsletter to about
> 200 members of my church. All the mail makes it from phplist into the
> postfix queue on my local machine. From my local machine, I have to
> relay all my mail via my ISP's server. I am able to send about 10
> messages from my local queue to my ISP before I start seeing errors in
> my maillog:
>
> status=deferred (delivery temporarily suspended: lost connection
>
> On the next queue run, another 10 messages get through before my ISP
> starts dropping connection again. I called my ISP and it said that as
> long as I sent in batches of 100 or less, there were no restrictions.
>
> I checked man 5 postconf and see options such as
> default_destination_recipient_limit, default_destination_rate_delay, and
> default_destination_concurrency_limit. All the defaults seem like they
> would be below my ISPs limit of 100 but I don't really understand them.
> I've played with the options but still have trouble.
>
> Would someone please explain them to me or kick me to a link that will?
> My head is just too thick. :)
Try:
/etc/postfix/main.cf:
# Changing this requires that you execute "postfix reload".
smtp_destination_rate_delay = 10s
or whatever will be sufficient to not violate the ISP's acceptable
use policy.
http://www.postfix.org/postconf.5.html#default_destination_rate_delay
Wietse
