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| Winmail Anti-Spam Solution |
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A good Solution to Stop spam using Winmail (update at Oct,29,2007)
1. go to "Sytem Setup"/"SMTP Setup"/"Basic Parmeters"
Select "Close open relay (Need SMTP authentication except for trusted hosts)"
Select "The sender of local domains must authentication"
2. go to "Sytem Setup"/"SMTP Setup"/"SMTP Filter"
Select "Allow MAIL FROM command with a null mail address(MAIL FROM:<>)"
Select "Check mail address and disbale invalid addresses when using SMTP communications"
Select "Check the domain of sender address by DNS query"
Select "Lookup the recipients address when sending mail to this server"
Select "Check A or MX of the HELO/EHLO hostname B Class matches the connection IP"
Select "Check A or MX of the sender domain when checking hostname failed"
Select "Reject HELO/EHLO hostname(s) listed on HELO/EHLO Filter tab"
Select "Enable SPF(Sender Policy Framework) check"
3. go to "Sytem Setup"/"SMTP Setup"/"HELO/EHLO Filter"
Add next record to the list:
pppool.de
dsl-mum-dynamic
cable.casema.nl
dsl.dynamic
adsl.hansenet.de
dsl.speedlinq.nl
dsl.tas.keypoint.
dsl.netins.net
adsl.enternet.hu
dsl.telepac.pt
adsl-dhcp.tele.dk
kd.smx.adsl
ppp.telenordia.se
dsl.iskon.hr
dsl.telesp.
dynamicip.rima-tde.
ppp.tiscali.fr
dynamic.best.lsc
dsl.hol.gr
ppp.dion.ne.jp
dip.t-dialin.net
internetdsl.tpnet.pl
adsl-surfen.hetnet.nl
dial.terra.cl
dip0.t-ipconnect.de
.adsl.
.direct-adsl.
.ov.home.nl
4. go to "Sytem Setup"/"SMTP Setup"/"Trusted Hosts"
Add next record to the "Host Without SMTP Filter" list:
10.
172.
192.168.
5. go to "Sytem Setup"/"Advanced Settings"/"RBL/RWL Setup"
Select "Use RBL(Real-time Black List)"
Add next record to the RBL list:
bl.spamcop.net
psbl.surriel.com
Select "Use RWL(Real-time White List)"
Add next record to the RWL list:
list.dnswl.org
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