> You may have better luck just paying for SMTP services from a company who
doesn't mind you sending that many emails at once.
Last night I sent some code which does works to throttle email. I use it all
the time. If you can't sort out how it works feel free to give me a shout
off-list. It's pretty straight forward.
Just so there's no confusion on the reasons to throttle the email - it may
be a provider issue, but it's also a receiver issue. Even if your provider
let's you send out a zillion emails at once, the ISPs of the recipients may
block your mail (or block/blacklist your mail server or mail server IP) as a
spam source. Many of the receiving ISPs (Yahoo, AOL, etc.) have robots that
monitor the incoming mail and automatically block suspects.
You can be blocked for a lot of reasons, but a couple of things that often
trigger the alarm is:
1) too many concurrent connections from a mail server; or
2) to large a volume of incoming mail in a short period of time
If your service providers IP or mail server get's blocked/blacklisted, then
you are likely to have some real issues with your service provider.
There is much reason to throttle outbound email, and the service provider is
only half the equation. You also throttle email for the benefit of the
receiving ISPs.
Robert B. Harrison
Director of Interactive Services
Austin & Williams
125 Kennedy Drive, Suite 100
Hauppauge NY 11788
P : 631.231.6600 Ext. 119
F : 631.434.7022
http://www.austin-williams.com
Great advertising can't be either/or. It must be &.
Plug in to our blog: A&W Unplugged
http://www.austin-williams.com/unplugged
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