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...
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...
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
We have increasingly been bombarded with NDR spam email through 2 of our user email addresses on our domain.
We run Windows Server 2003 for SBS and also the Trend Micro Worry free Busines...
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...
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...
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 ...
Hi
We are unable to receive email from certain senders. The one sender gets an undeliverable note. (Internet header attached), the other user gets no undeliverable note. When the user that ...
I have an Exchange 2003 network. Email is sent thru a 3rd party spam filter and then forwarded to our network. I have a user that got the following NDR:
Your message did not reach some or all...
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 ...
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
################################################
...
Our Ip address is 196.219.160.195 and some sites refuse to accept email sent from our users specially
AOL we get this report
Delivery has failed to these recipients or distribution lists:...
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...
HI I have a GroupWIse 6.5.4 on Netware 6.0sp5
Past week my email domain user@abc.com has become blacklisted, I have requested removal from the 4 sites, and 3 were removed, the 4th said it wil...
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...
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...
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...
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...
Having a issue with our e-mail server being bombarded with e-mails. I want to black list them but it seems that whatever is doing it is making up addresses. Looks like it is being a little con...
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 ...
