Sendmail: How does one blacklist annoying spammers?
Daniel B. Thurman
dant at cdkkt.com
Fri Jun 25 23:20:00 UTC 2010
On 06/25/2010 04:11 PM, jack craig wrote:
> On 06/25/2010 03:56 PM, Daniel B. Thurman wrote:
>> On 06/25/2010 02:57 PM, jack craig wrote:
>>> On 06/25/2010 02:46 PM, Daniel B. Thurman wrote:
>>>> I thought it was sufficient to look into the headers
>>>> of the offending email spammmers and add these respective
>>>> IP address and/or host names to the /etc/mail/access file,
>>>> but I am beginning to suspect that these headers could be
>>>> easily spoofed with bogus entries, right?
>>>> I am really getting tired of adding in entries into the access
>>>> file, and writing email filters (in thunderbird) for patterns
>>>> dumping spammers into the trash - and yet - I am still forced
>>>> to review the trash for entries that should not have been trashed.
>>>> Seems like a real chore and a losing proposition...
>>>> What do admins of sendmail use, besides spamassasin?
>>> one approach is to use the black hole filters, confgure them for
>>> and that will catch a lot of bad addresses..
>>> http://tldp.org/LDP/nag2/x15291.html (see 220.127.116.11.1. The Real-time
>>> Blackhole List)
>>> hth, ...
>>> Jack Craig
>>> Software Engineer
>>> 831.461.7100 x120
>> Hmm... I reviewed this, added the FEATURE entry but
>> unfortunately it is missing the corresponding mc file:
>> m4:sendmail.mc:198: cannot open
>> `/usr/share/sendmail-cf/feature/rbl.m4': No such file or directory
>> Where can I get this mc file, do you know?
> try 'yum install sendmail-cf' ???
> Jack Craig
> Software Engineer
> 831.461.7100 x120
Yeah, I did that and it does not contain that file. For
fun, I tried yum install rbl.m4, no dice. I have 8.14.x
so that's fairly "new" for F9...
Guess I will have to scan the Internet for that file...
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