0
votes
1answer
30 views

Evaluation of mail server configuration

I have a mail server configured to use DNS real-time blacklists (DNSRBLs), e.g. zen.spamhaus.org, to determine whether delivered email is spam or not. I would like to evaluate my mail server's ...
1
vote
2answers
91 views

Mac server infected with spam agent

We have a huge trouble :( .. Our mac server makes a spam delivery. Our IP already blacklisted in about a dozen of servers (checked with http://mxtoolbox.com/). We have another computers in the same ...
0
votes
0answers
32 views

On multiple spamming-blacklists after desinfecting network computers

We are currently listed on a couple of spam-blacklists since last week. I have taken the following approach to prevent this from reoccurring: scan every (windows)-device in the building using ...
0
votes
1answer
303 views

A record blacklisted but not the originating IP of affected messages - Gmail rejections

A customer's email is being rejected by gmail with the following codes: Action: failed Status: 5.7.0 Diagnostic-Code: smtp; 554 5.7.0 Reject, id=17756-61 - SPAM I see the A record for the domain, ...
0
votes
2answers
444 views

Why are my emails going to spam folder?

My server ip is 78.46.138.249 and none of the blacklists I could find blacklist my domain. Nevertheless, many of my customers recieve their emails in their SPAM folder. I just created a live.com ...
3
votes
2answers
1k views

Gmail.com detect mail as spam, but the server is not on any BlackList

I have an issue with Google. (GMail to be exact) About 1 month ago, we had a security breach, and mail was relayed through our servers. we got listed in almost ALL Black-Lists :( we fixed the ...
-5
votes
2answers
326 views

Bulk email prevent blocking

We are going to send huge bulk emails (It's an invitation to our site). I setup an instance on Amazon and installed zimbra on that along with phplist which is configured. DKIM and Domain keys are ...
0
votes
4answers
1k views

Emails are regularly blacklisted due to being hosted on a shared (blacklisted) server. What can I do besides moving away from this shared server?

My client's emails are blacklisted because his account is on a shared server which gets blacklisted from time to time. The hoster wants him to move to an expensive dedicated server. What could I do ...
2
votes
1answer
169 views

Will using google apps emailhosting get rid of blacklisting caused by a shared server account?

a client`s email addresses are constantly blacklisted due to other users who share the same server. the hoster does want him to switch to his own dedicated server, so he gets his own ip. my question ...
-2
votes
1answer
194 views

Black Listing in outbound relayed e-mail

We send outgoing e-mail with one server relaying e-mail through another server. When e-mail is getting black-listed, is it the originating server that is being blacklisted or the relay?
1
vote
4answers
5k views

How do I get my server off the ivmSIP/24 blacklist?

I checked my server IP using this tool: http://www.mxtoolbox.com/SuperTool.aspx It's come up on the ivmSIP/24 list. What can I do to get my IP removed from this list? I have SPF records set to ...
1
vote
2answers
4k views

CBL This IP address is HELO'ing as “localhost.localdomain”

I am pretty lost here, my server somehow got into a blacklist. And I don't know why and how to solve it. Please take a look at the link below. CBL List - click here Anyone knows what is going on ...
0
votes
2answers
280 views

My exchange 2003 mail server is blocked by RBL lists. Someone is sending spam from inform@mydomain.com

All outgoing email to external recipients from my Exchange 2003 server is getting blocked by RBL lists. I'm new to administrating Exchange and i checked the Message Tracking Center under System ...
4
votes
4answers
2k views

How to report spam to blacklists

Is there a central place to report spam to various blacklists ? I regularly report to spamcop, but I do not see the addresses I reported as listed. (I guess nobody else bothers with my regular ...
2
votes
4answers
750 views

Best practices on how to send emails on clients behalf and avoid being black listed

I am starting a business providing some online customer relationship management functionality. I want to allow my clients to create their own email lists. I also want to allow my clients to be able ...
6
votes
2answers
207 views

Which DNS Black Lists would you recommend to discard spam in pre-queue?

There are many black lists out there, with bad and good reputations. Also, some people recommend to use RBL lists only in score-based systems (like spamassassin) while others (including commercial ...
1
vote
3answers
934 views

blacklisted exchange 2003

Our firewall failed about 3 weeks ago and while it was being replaced we were placed on the “cbl.abuseat.org” spam blacklist. Once we got the new firewall in and configured we were able to get ...
0
votes
1answer
853 views

plesk 9 spamassassin server wide blacklist via cron?

we're running ubuntu 8.04 LTS and plesk 9.2 our simple task is to set up a periodic black list for spamassassin, e.g. using this script .. #!/bin/sh #! Script by AJR to update local spamassassin ...
1
vote
1answer
41 views

Disallowing proxies from POSTing

I want to disallow proxies and spambots from posting in my website. What is the best way to do so? I've downloaded a blacklist and my first idea was to disable each of ips in my .htaccess file, but ...
16
votes
12answers
9k views

Which anti spam DNS blacklists should used?

i want to protect my mailserver with dns blacklists for fighting the spam. there a so many blacklists out there. currently i use: ix.dnsbl.manitu.net cbl.abuseat.org bl.spamcop.net ...
12
votes
10answers
3k views

Where to go to see if my IP is blacklisted as a SPAM

This has happened before and some mail servers will tell you that your IP has been blacklisted (RBL, CBL, etc) but I can't find that site to check anymore and searches result in a site that may or may ...