Thanks for that help Gary, My whitelist_rdns does not have any entries. Can you tell me what we should put in that? Is it a single line:
yahoo.com and in whitelist_senders file: a. Do I list email addresses on individual lines? b. Can we use wildcards like *@bbc.co.uk? Maybe the following should be a separate post, but we have disabled some of the main spamdyke checks: reject-missing-sender-mx=false reject-empty-rdns=false reject-unresolvable-rdns=false reject-identical-sender-recipient=false because we were getting a lot of genuine emails rejected and it was really affecting our service to hosted domains. Is there a clever way to monitor and try to identify the genuine emails which do not have MX or RDNS properly set up? And when those come through, what steps do you seasoned gurus use to allow genuine emails through while keeping those rules intact? Advice very gratefully received from this lovely mailing list where responses are comprehensive and quick – thank you all for that. Kind Regards, Christoph Kuhle From: [email protected] [mailto:[email protected]] On Behalf Of [email protected] Sent: 16 September 2012 23:39 To: spamdyke users Subject: Re: [spamdyke-users] How best to whitelist rejected emails 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, <http://www.facebook.com/pages/emailitis/271193302894913> Description: emailitis VoIP | Broadband | Domain hosting | Web design & SEO emailitis.com <http://www.emailitis.com/> | 01722 770004 | Cross Keys House, Queen Street, Salisbury, SP1 1EY emailitis.com is a trading name of Expat Email Ltd, Registered in England (No. 05140609) VAT No. GB 843 7166 15 <http://www.twitter.com/emailitis> Description: ZA102637858 <http://www.facebook.com/pages/emailitis/271193302894913> Description: ZA102637861 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 _______________________________________________ spamdyke-users mailing list [email protected] http://www.spamdyke.org/mailman/listinfo/spamdyke-users
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