Gordon Dickens wrote:
> Am I the only one that questions how safe that this is? You are liable
> to catch ham. For instance, I know several email account owners with
> large ISPs such as hotmail that use other smtp servers for sending mail
> and all that would be rejected too. I like this idea but am afraid it
> may be a bit too aggressive. Thoughts?
>
>
I certainly wouldn't block on it outright like this. We see forwarded
mail with hotmail senders, and mailing list mail, and mail from ebay's
mail servers, and apparently legitimate mail sent via other ISPs, all of
which would be rejected by this rule.
We do, however, have spamassassin rules which assign points for this -
and similar rules for gmail and yahoo.
Adam.
--
--------------------------------
Adam Stephens
Network Specialist - Email & DNS
[EMAIL PROTECTED]
>> Unrouteable address 2020
>> Fake Yahoo 37967
>> Fake hotmail 84105
>> Fake MSN 8
>> Fake AOL 872
>> host is listed in zen.spamhaus.org 32268
>> Blacklisted URL in message 1397
>> Sender verify fail 298
>> Spamassassin reject 545
>> Spamassassin warn 20521
>>
>>
>> deny message = Faked hotmail, so you must be spam.
>> log_message = Fake hotmail
>> senders = [EMAIL PROTECTED]
>> condition = ${if match {$sender_host_name} \
>> {\Nhotmail.com$\N}{no}{yes}}
>>
>> Think I got the above from the exim wiki, its been very effective for
>> me.
>>
>>
>>
>
>
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