North American Network Operators Group|
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Re: Time to check the rate limits on your mail servers
One additional thing that I think wasnt mentioned in the article - Make sure your MXs (inbound servers) are separate from your outbound machines, and that the MX servers dont relay email for your dynamic IP netblock. Some other trojans do stuff like getting the ppp domain name
That, on the other hand, gets you into trouble with rather stupid Spam filters, that only accept mails from a server, if that server is also MX for the senders domain. Yes, this is stupid, but that does not change the fact, that these setups are out there.
Start using authenticated SMTP for this. Bye, Raymond.