I have a Windows 2000 server with Exchange 2003 running on it. We currently use MXLogic to filter our inbound and outbound email. MXLogic informed us that we had an Open Relay and spam comin...
We are having major problems sending email from our Exchange 2007 Server. Our server is appearing on blacklists and our outbound email is being refused. Upon inspection of the Outbound SMTP Qu...
Hi Experts
We have recently been the victim of an NDR attack on our exchange server (2003) on server (2003) and followed all the instructions found on this site to rectify the problem inclu...
Hello All,
I have an issue with one particular e-newsletter that needs to come into our network, but is being dropped for some reason.
The incoming email trajectory is:
A Cisco 2811 as ...
Hello,
At the beginning of the week my public IP got Blacklisted for SPAM. I am runnig into a brick wall. I ca't find out where the SPAM is coming from. I believe the my public IP is being ...
I have a client who continues to get blacklisted. Their ISP is getting complaints that spam is originating from their IP. I have scanned all computers on the network and the server with nultip...
Hi all,
Does anyone have an up to date list (or even better, an all encompassing list!!) of real time black list servers to add to my Connection Filtering tab to stop spam etc coming through...
Hi All
I would like to know how to block Smurf Attack
Now I have 3Com ADSL router at my home, and all time I notify as follwoing
################################################
...
We are getting email rejected from one of our clients saying were on a black list. I searched www.mxtoolbox.com/blacklists.aspx and found that we have the following BlackListed.
DNSBLNETAUT...
The following message is not successfully delivered to hotmail. It doesn't even make it into the junk folder. I have also tried adding the address to the whitelist and still no luck. This was ...
Hi all,
I will create an MX record for a sub domain. The ip address will be different from main domain MX record and the mail server will be another location. If somehow the sub domain MX r...
A server I support is being blocklisted. The server runs Exchange 2003. It has all the latest patches. The server runs ForeFront AV/Anti Spam and it's up to date as well. It also runs eTru...
Dear Experts ,
I am working on a sabotage attack prevention project . Would request you people's expert opinion on preventing the following types of attacks :
1 ) excessive querie...
I am currently running exchange server 2003. I have tested server for open-relay, and it is not open for relay. Used recepient filtering as suggested in other articles. Currently the queues...
We are being blacklisted and our mail is getting rejected. Changing our outgoing ip gets the mail flowing again but after a while we get blacklisted again. Spam must be going out fron our loca...