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Drakonblayde
Member Posts: 542
Email blacklist for smtp servers, so they'll reject users, domains, or ip's outright instead of wasting time processing a message
Personally, I've found forcing remote clients to be RFC compliant to cut down on ALOT of spam, but I'm not sure you can do that with Exchange. Postfix owns.= Marcus Drakonblayde
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CCNP-O-Meter:
=[0%]==[25%]==[50%]==[75%]==[100%]
==[X]===[X]====[ ]=====[ ]====[ ]==
=CCNA==BSCI==BCMSN==BCRAN==CIT= -
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garv221
Member Posts: 1,914
The one I was using shutdown, so I am using multiple ones now. I also completely blocked the country of Germany. ha.. -
Optionslordy
Member Posts: 632 ■■■■□□□□□□
I'm using the following:
bl.spamcop.net
list.dsbl.org
relays.ordb.orgI also completely blocked the country of Germany. ha..
Very smart... .US and .CN are way bigger spam sources...
Regards,
LordyWorking on CCNP: [X] SWITCH --- [ ] ROUTE --- [ ] TSHOOT
Goal for 2014: RHCA
Goal for 2015: CCDP -
Optionsgarv221
Member Posts: 1,914
I am using
http://relays.visi.com <
I think it might have shutdown?
cbl.abuseat.org
list.dsbl.org <
Favorite
The only real problem I had was from Germany sending German links. Once I blocked Germany, Spam was down 99%. -
Optionslordy
Member Posts: 632 ■■■■□□□□□□
Definitely dead.garv221 wrote:
That's the infamous Sober virus. I noticed that many viruses send the receivers IP address in the HELO command.The only real problem I had was from Germany sending German links. Once I blocked Germany, Spam was down 99%.
Example:
SMTP-Server = 1.2.3.4
Infected-Host = 5.6.7.8
Infected-Host sends HELO 1.2.3.4 which is definitely incorrect. I have successfully blocked lots of Spam by filtering out clients that send specific HELO names (my IP, my domain, localhost) and this does far less colleteral damage then just filtering a whole country.
Regards,
Lordy
P.S.: My MTA is qmail.Working on CCNP: [X] SWITCH --- [ ] ROUTE --- [ ] TSHOOT
Goal for 2014: RHCA
Goal for 2015: CCDP -
Optionsgarv221
Member Posts: 1,914
lordy wrote:That's the infamous Sober virus. I noticed that many viruses send the receivers IP address in the HELO command.
Example:
SMTP-Server = 1.2.3.4
Infected-Host = 5.6.7.8
Infected-Host sends HELO 1.2.3.4 which is definitely incorrect. I have successfully blocked lots of Spam by filtering out clients that send specific HELO names (my IP, my domain, localhost) and this does far less colleteral damage then just filtering a whole country.
Regards,
Lordy
P.S.: My MTA is qmail.
Nice feedback. That makes sense..I was getting so frustrated with the spam....I will see what information I can find (it was a while ago) & unblock Germany. I figured that blacklist was down. Do you know what happened? I use Exchange; qmail is without a doubt better. I do not have much experience with qmail or thats what I would run. -
OptionsRicka182
Member Posts: 3,359
I use Mailwasher, which has three blacklists...I know one is Spamcop...works pretty well, lets me see the spam titles before I delete them in case of an error, and sorts out by friend, normal, or B-listed....i remain, he who remains to be....
