How do YOU handle it ? |
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keizersozay 
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Joined: 26 January 2005 Location: United States Status: Offline Points: 77 |
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 Topic: How do YOU handle it ?Posted: 13 July 2004 at 11:20am |
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This is great; I can't wait until the SPF version is complete. There is no doubt that it will help out a ton and continue to help as others implement spf records into their dns structure. However, how do you deal with customers/ employees or whoever that are blacklisted? The reason I ask is that now my company handles about 50-60 thousand incoming messages a day, and while Spamfilter has been a God send I also have to make many exceptions in the whilelist area for people that we must do business with. Over time my whitelists have grown as there are tons of mom and pop operations out there that don't know how to configure an email server but we still must be able to email back and forth. With the upcoming release of SPF incorporated Spamfilter I just know I will be making more entries in the whitelist because I can NOT deny people the ability to email us if they are legitimate customers even if they are violating every spam prevention policy we have in place. I am not asking for a solution... there isn't one. But I am asking for your opinions.... ie does your boss give you the authority to deny email from another domain until they remove their domain from blacklist servers? Do you make whitelist entries as well? And so on... Anyway..... spamfilter ROCKS Thanks again Roberto |
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Desperado
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Joined: 27 January 2005 Location: United States Status: Offline Points: 1143 |
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Posted: 13 July 2004 at 10:58pm |
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Your problem, as I expect you know, is not unique. We work with some of the blacklisted domains or no-rdns domains to help them understand the problem and how to fix it. We also try to educate our users to push the problem back to their contacts that are being blocked. We too have a largish white list but mostly for all the list servers who either have misconfigured servers or whose lists are indistinguishable from Spam and get blocked.
We also have a temp white list that is automatically concatenated with the standard white list but "vanishes" in 5 days ... the "grace period" we allow for administrators to fix their fixable issues. Another thing we do is we have a password of sorts that we change once every week or so that if the sender adds it to the subject, it will bypass all rules.
Having said all that, I am frustrated by having to bypass anyone on a blacklist or with no rdns. No excuse for either. The good news for me is I am "the boss" but this doesn't prevent our customers from getting angry. So, we put them in the "ToEmail" whitelist and within 2-3 days, a week max, the decide that they will check their quarantine more often and try to get persistent "bad" senders to fix the issue at their end. In the final analysis, this is the only way to start getting the Spam sources to reduce ... being tough. But it is a tech support nightmare which of course is what the spammers hope for.
No help from me this time ... sorry.
Dan S.
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keizersozay
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Joined: 26 January 2005 Location: United States Status: Offline Points: 77 |
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Posted: 14 July 2004 at 8:47am |
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You did bring up a couple of good points that I like. I like the idea of a grace period of a few days or so to allow them to fix their system. I am going to look into doing that myself. Thanks for your input, I'm glad I'm not alone in this situation. |
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Erik
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Posted: 16 July 2004 at 5:11pm |
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Yea, life would be easy if your clients understood how to configure their mail servers! I can NOT use RDNS because most of my clients (as it turned out) did not configure their mail server properly, I was adding whitelist entries on the hourly basis, it became to much and had to turn off RDNS, sigh... As it turns out most spam is now being sent from high jacked machines which do have valid RDNS so using RDNS hasnt really been much of a help the last several months anyway...
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