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550 errors from yahoo

Cloud9
Yahoo are sporadically bouncing mail being sent to me from yahoo accounts this is the bounce back From: MAILER-DAEMON@yahoo.com Date: 3 January 2014 21:44:19 GMT To: yahooperson@yahoo.co.uk Subject: Failure Notice Sorry, we were unable to deliver your message to the following address. : Remote host said: 550 signature_incorrect [BODY] --- Below this line is a copy of the message. Received: from [212.82.98.56] by nm17.bullet.mail.ir2.yahoo.com with NNFMP; 03 Jan 2014 21:44:18 -0000 Received: from [46.228.39.95] by tm9.bullet.mail.ir2.yahoo.com with NNFMP; 03 Jan 2014 21:44:18 -0000 Received: from [127.0.0.1] by smtp132.mail.ir2.yahoo.com with NNFMP; 03 Jan 2014 21:44:18 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.co.uk; s=s1024; t=1388785458; bh=mCn8Ows1QJdGCi6Q3z5SGBUiVkTB7/6NwZcbYS5YiE0=; h=X-Yahoo-Newman-Id:X-Yahoo-Newman-Property:X-YMail-OSG:X-Yahoo-SMTP:X-Rocket-Received:Content-Type:Content-Transfer-Encoding:Subject:From:Message-Idate:To:Mime-Version:X-Mailer; b=pwSYwJBYbt/MyHRIHNgwK9WBlOFJAce2j3SSNiwZ0+9Aw0AdBj4EKlVvTyaSW5zFBfR8TUzq+J9XJWL/ymfYJIDSA9dqyp0j2tKdK3Lx2VPlg2wBKH2E6IeLAglC//HXnpTaRm2pTUI1LSJfP5Z4WaDfam1YbcoyVbHynCHe+u0= X-Yahoo-Newman-Id: 736321.95289.bm@smtp132.mail.ir2.yahoo.com X-Yahoo-Newman-Property: ymail-3 X-YMail-OSG: HGY09gQVM1l5pTysN0bBTm6IuuWSlvsHDLphtlfa4p_oOns K_jdnruEM3ZexZjoetsODtDS7CU9AqICD6eeuy_lhua4n6IMvDfXuvLr1Pse myC7VgUpZBcAbugVPg_zsdVvYuOmmQuDqJYdJ.GEy.T_zCJKoJH1iaxm24eS ucg1zPZMNgnZMexVqUSuNF6GnYu4pBecDC3DVh_yiPSlG65wxkVfsUnP4rcm T6xonJKb0aKxzDyun740uUzt0mktGqDdwBEyt1UMtPCe5VnMOxETKaOvbwRC JpE__cCI1RIFzzZSS7xG4WU9r7ICSQL_75XIUiaLlkymkuOc8bgJTAMFlr.D 8.D0tmkz51u.ZGw9WJGWZhYihje4md3nYq2.heAbBCfH2oNO0ymSo1ZCrIpw przOMlzPKhtcCVuqSJJSrAwizsAdsVg.8GI_nNVZD_5GkR3yhyftLUZ1yyus SIZYBHWBtTMsd7VPi7bANKAcqYMauHuzfe0XTQ6ute1UCl2EsznbiJijqo5U k6WZz858WfW_RhbSCGj05JTqEnwYLGV6I8VI- X-Yahoo-SMTP: aqwYCvSswBAO_vjHa_WNB4eInTh2Mw-- X-Rocket-Received: from [10.129.182.225] (yahooperson@82.132.222.232 with xymcookie [46.228.39.225]) by smtp132.mail.ir2.yahoo.com with SMTP; 03 Jan 2014 21:44:18 +0000 UTC Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: 7bit Subject: Toilets! From: Yahoo Person Message-Id: Date: Fri, 3 Jan 2014 21:35:04 +0000 To: "me@mydomain.com" Mime-Version: 1.0 (1.0) X-Mailer: iPhone Mail (11B554a)
Is this a yahoo problem or something at my server ?

Comments

10 comments

Date Votes
  • simonas
    Hello, It says 550 signature_incorrect, meaning possibly DKIM key is wrong. Please visit this page [url=http://www.brandonchecketts.com/emailtest.php]Brandon Checketts And send email to provided address. It will tell you what's the problem.
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  • Cloud9
    [quote="simonas, post: 1542761">Hello, It says 550 signature_incorrect, meaning possibly DKIM key is wrong. Please visit this page [url=http://www.brandonchecketts.com/emailtest.php]Brandon Checketts And send email to provided address. It will tell you what's the problem.
    Thanks, Missing DKIM record And i was sure it had one :confused:
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  • Cloud9
    Now the strange thing is - I have a valid DKIM and the above test - Brandon Checketts lists the DKIM as missing ? [QUOTE]DKIM Signature This message does not contain a DKIM Signature
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  • Cloud9
    Still getting bounced mail 550 incorrect signature errors But DKIM is now set up ok, but as above if i test it i get no skim sig returned ? Do i need to restart any services (have restarted imap)
    0
  • cPanelPeter cPanel Staff
    Hello, dkim signatures are entered at the DNS level, so you can dig for it, if you have shell access. Example might be: # dig dkim._domainkey.YOURDOMAIN.TLD txt
    Replace YOURDOMAIN.TLD with your domain name obviously. Also if you are using something other than dkim as the host, you would need to change that.
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  • Cloud9
    Yes, dig is fine - i have dkim sigs and all is good with dig and if i run a dkim test like here [url=http://www.appmaildev.com/en/dkim/]DKIM Test - DKIM Verify - DKIM Validator But Yahoo are still bouncing my emails as [QUOTE]Remote host said: 550 signature_incorrect [BODY]
    [COLOR="silver">- - - Updated - - - Here is the dig dig dkim._domainkey.MYDOMAIN.com txt ; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.17.rc1.el6_4.6 <<>> dkim._domainkey.MYDOMAIN.com txt ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NXDOMAIN, id: 28805 ;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0 ;; QUESTION SECTION: ;dkim._domainkey.MYDOMAIN.com. IN TXT ;; AUTHORITY SECTION: MYDOMAIN.com. 1800 IN SOA ns1.MYDNS.net. MYNAME.MYDOMAIN.com. 2014010501 86400 7200 3600000 86400 ;; Query time: 38 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Tue Jan 7 13:13:36 2014 ;; MSG SIZE rcvd: 110
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  • cPanelMichael
    Feel free to open a support ticket using the link in my signature so we can take a closer look. You can post the ticket number here so we can update this thread with the outcome. Thank you.
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  • Cloud9
    [quote="cPanelMichael, post: 1544302">Feel free to open a support ticket using the link in my signature so we can take a closer look. You can post the ticket number here so we can update this thread with the outcome. Thank you.
    Thanks Michael
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  • Cloud9
    Ticket ID 4438681
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  • cPanelMichael
    To update, it was found that the third-party application MailScanner was installed on this system. While not necessarily the cause of this issue, we asked the customer to disable it to see if the issue continues. Thank you.
    0

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