Re: [spamdyke-users] How best to whitelist rejected emails

gary Sun, 16 Sep 2012 15:41:59 -0700

Some RBLs block yahoo because spammers really love to use it. I feel that this is way too aggressive and any blacklist that blocks like this I avoid. However, I do have yahoo in my rdns whitelist anyway since I use that to avoid putting things on the graylist. This way I can use the graylist more effectively to see if my spamdyke rejection strategy is working well.

Gary

On Sep 16, 2012 6:02 PM, emailitis.com <[email protected]> wrote:

Thank you Sam for your speedy response. How can I tell if I have the latest version? Can you tell me what shell command to run? And to update, is it simply “yum upgrade spamdyke”?

I do not want to whitelist the whole btinternet.com domain as there will be Spam. I really like your idea to “use a configuration directory to whitelist any sender within btinternet.com when the rDNS of the server is within yahoo.com”. Can you tell me how to do that please?

Kind regards,

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From: [email protected] [mailto:[email protected]] On Behalf Of Sam Clippinger
Sent: 16 September 2012 22:51
To: spamdyke users
Subject: Re: [spamdyke-users] How best to whitelist rejected emails

This is an RBL rejection, which means that the remote IP address has been blacklisted by a DNS RBL provider you're using. (If you upgrade spamdyke to the latest version, the log message will include the name of the RBL that generated the match.) I point this out because you may not want to whitelist this -- it may actually be spam.

If you don't want to just whitelist the entire btinternet.com domain from any source, you could use a configuration directory to whitelist any sender within btinternet.com when the rDNS of the server is within yahoo.com. That would help cut down on the false negatives. You could further restrict the whitelist to only trigger when the recipient is also within a specific domain(s) on your server.

-- Sam Clippinger

On Sep 16, 2012, at 4:00 PM, emailitis.com wrote:

We are getting BT emails rejected like:

Sep 12 20:56:28 plesk3 spamdyke[20050]: DENIED_RBL_MATCH from: [email protected] to: [email protected] origin_ip: 77.238.189.199 origin_rdns: nm2-vm0.bullet.mail.ird.yahoo.com auth: (unknown) encryption: (none)

I could whitelist the sender (not recommended I know). But is there a better way to ensure that all btinternet emails (now owned by yahoo) can be whitelisted?

Also, if we were to whitelist a sender, is the email address only shown in the whitelist_senders file?

Kind regards, Christoph

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Re: [spamdyke-users] How best to whitelist rejected emails

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