Re: Spamcop flagged a number of users from MSN as 'spam' ?

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On Sun, 15 May 2005 20:22:27 -0400, "Rich Matheisen [MVP]"
<richnews@xxxxxxxxxxxxxxxxxxxxx> wrote:

>Andy David - Exchange MVP <adavid@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx>
>wrote:
>
>>On Sat, 14 May 2005 20:38:15 -0700, "Magoo" <nospammagoo@xxxxxxxxxxx>
>>wrote:
>>
>>>Thanks a lot Rich. That's the motive I said "obviously MSN is not in the
>>>spam list". I mean, given the number of MSN, I doubt the entire domain would
>>>be have been identified as spam. If I understand correctly, spamcop flags
>>>the IP addresses of servers.
>>
>> Yes, but as Rich noted, do not drop mail based simply beause a
>>mail server is listed. I have personal experience with SPAMCOP listing
>>the ip address of a large financial insitution I worked for simply
>>because spoofed email would NDR to one of their servers. A lot of our
>>clients used SPAMCOP and dropped our messages.
>
>What? No white lists? You can't do effective spam filtering without
>them!

Funny thing about that. We would ask them to whitelist and
their response was typically that since it was *our* fault we got on
the list, we had to fix it!
>
>>Even SPAMCOP themselves
>>recommend that you do not use their database to drop mail as you will
>>block legitimate mail and not even know it.
>
>So do all the other DNS RBLs. But I suspect that's to deflect the
>"you're blocking XXXXXXX mail!" complaints. Of course the RBL's don't
>block the mail, but people sure think they do!
>
>>I dont how you sold RBLs
>>to your management, but if you told them that you may drop legitimate
>>mail and may be dropping it now, I suspect it would not go over so
>>well.
>
>Depends on who's selling and who's listening. :P

.

Relevant Pages

  • Re: Spamcop flagged a number of users from MSN as spam ?
    ... I mean, given the number of MSN, I doubt the entire domain would ... >be have been identified as spam. ... I have personal experience with SPAMCOP listing ... because spoofed email would NDR to one of their servers. ...
    (microsoft.public.exchange.admin)
  • Re: Spamcop flagged a number of users from MSN as spam ?
    ... >>Thanks a lot Rich. ... >>be have been identified as spam. ... I have personal experience with SPAMCOP listing ... > because spoofed email would NDR to one of their servers. ...
    (microsoft.public.exchange.admin)
  • Re: Unsolicited bounces
    ... essential step is to reject non-existent recipient addresses ... during the SMTP conversation. ... I am keen on avoiding being blackholed by Spamcop. ... forwarding to other servers who might in turn reject the message. ...
    (comp.mail.sendmail)
  • Re: OT: E-Mail Address Farmed from Here
    ... I suspect that by reporting spam in spamcop it generates more spam ... Certainly when I first started using spamcop, ...
    (uk.rec.motorcycles)
  • Re: about addresses and spam block
    ... Now the ISP is the middle part, ... should show up that heavily on the spam radar either. ... > Spamcop is one of several services with compiles lists of suspect IP ... > addresses that a postmaster can use to filter out suspected spam. ...
    (rec.crafts.beads)