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Question about Hotmail filtering

Rob Ross

Joined: Jan 07, 2002
Posts: 2205
Does anyone know if Hotmail recently changed their filtering to *completely*
filter all spoofed FROM headers?
I use my earthlink account as my "main" account, even though I don't
actually use them as my ISP anymore. At home, I use Adelphia PowerLink cable
modem, at work I think we use AT&T (not sure, but not that important).
Anyway, on my mail clients at home and work (MS Outlook) I have my Earthlink
account as the main account, and use POP server to
RECEIVE my earthlink mail. No problem there.
But for outgoing, I am using the SMTP server of my local ISP; at home this
is an Adelphia mail server, at work, it's our exchange server. Well, in each
account, I had set up my FROM to be, just to keep all my mail
consistent for everyone I mail. Although, my mail *never* actually comes
from an earthlink domain anymore.
As of last week, I had no trouble replying to messages from hotmail
accounts. Now, those replies disappear into the ether. I have tried many
many variations, and conclude that the ONLY way the mail shows up in a
hotmail inbox is if the FROM address domain is the same as the actual SMTP
server I'm sending it from.

Anyone have any insights for me?

SCJP 1.4
Dirk Schreckmann

Joined: Dec 10, 2001
Posts: 7023
I can neither confirm nor deny that Hotmail is doing that.
I can confirm that I've used other email servers that would not send and/or receive messages with unmatching addresses. I've run into this on the sending side (smtp) far more frequently than I've seen it occur on the receiving side (pop3).
So, your Hotmail experience might not be an indication of your insanity, but there are so many others...

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Rob Ross

Joined: Jan 07, 2002
Posts: 2205
hehe. I'm not crazy, I just play one on TV.
But I assure you if this is what is going on, it's a recent change, as in, Monday, maybe last Friday at the earliest. Before that, I know for certain this was working fine. So if it's a change, it's brand spanking new, and no one announced it was happening.
Dirk Schreckmann

Joined: Dec 10, 2001
Posts: 7023
Had you expected Microsoft to hold a press conference?
I agree. Here's the link:
subject: Question about Hotmail filtering
It's not a secret anymore!