North American Network Operators Group Date Prev | Date Next | Date Index | Thread Index | Author Index | Historical Re: anybody else been spammed by "no-ip.com" yet?
On Fri, 10 May 2002, David Charlap wrote: > > Jim Hickstein wrote: > > > > My customers who reach me (a mail service) from Earthlink dialups > > are affected by this. Apparently it's still happening. I run a > > listener on another host and port, known only to this (so far) > > small subset of people, to be able to serve them. In general, we > > advise people to use their ISP's relay for outgoing mail, but > > Earthlink won't let them relay because the sender domain is not > > one that Earthlink knows about (i.e. is charging them for). > > Apparently. > > Something's weird here. > > My home DSL line is Earthlink. I send out mail through their server > (specifically through smtp.mindspring.com), and I have my mail client > cofigured to use my yahoo.com address as the return address. They don't > seem to care about the message's sender address as long as it comes from > an Earthlink link. Not weird, this is the way most smtps are setup - not to verify sender address but only allow the ISP's IP addresses. (this is how not to be an open relay server which spammers use..) Steve > > Is the dial-up any different? > > Now, I do know that I can't send through the Earthlink/Mindspring server > from outside their network. But that's not a big deal for me. When I'm > away from home, I just use the server of whatever network I'm connected > to at the time, which has never given me a problem. > > I think Earthlink has an SMTP-AUTH mail server as well. It's not the > same one that the default dialups use, however. I think it's > smtpauth.earthlink.com, but I haven't actually tried using it. > > -- David >
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