I'd recreate

On 11/23/2020 3:59 AM, ChandranManikandan wrote:
Hi Eric,

I have done the above steps earlier in my production server, after downtime I did not do anything. When I run the command cat /var/qmail/control/dkim/public.txt dkim record is displayed and I have copied and put it into our dns server. i have put the standby server text into dns record during production server down. I have removed that and re-configure in dns server after up the production server, but not working.

Can I do again the same above steps to re-generate the key on the production server.




On Thu, Nov 19, 2020 at 8:58 PM Eric Broch <[email protected] <mailto:[email protected]>> wrote:

    Did you follow these instructions:

     1. Global key (default for all domains)
         1. # yum install perl-XML-Simple perl-Mail-DKIM perl-XML-Parser
         2. # wget
            https://raw.githubusercontent.com/qmtoaster/dkim/master/qmail-remote
         3. # wget
            https://raw.githubusercontent.com/qmtoaster/dkim/master/signconf.xml
         4. # mkdir /var/qmail/control/dkim
         5. # mv signconf.xml /var/qmail/control/dkim/
         6. # chown -R qmailr:qmail /var/qmail/control/dkim/
         7. CentOS 7
            # dknewkey /var/qmail/control/dkim/global.key 1024 >
            /var/qmail/control/dkim/public.txt
            # perl -pi -e 's/global.key._domainkey/dkim1/'
            /var/qmail/control/dkim/public.txt
            CentOS 8
            # cd /var/qmail/control/dkim
            # openssl genrsa -out ./global.key 2048 && openssl rsa -in
            ./global.key -pubout -out ./temp.txt
            # cat ./temp.txt | grep -v - | tr -d '\n' | sed
            '1s/^/dkim1 IN TXT "k=rsa; p=/' &> ./public.txt && echo
            "\"" >> ./public.txt && rm ./temp.txt
         8. # qmailctl stop
         9. # mv /var/qmail/bin/qmail-remote
            /var/qmail/bin/qmail-remote.orig
        10. # mv qmail-remote /var/qmail/bin
        11. # chmod 777 /var/qmail/bin/qmail-remote
        12. # chown root:qmail /var/qmail/bin/qmail-remote
        13. # qmailctl start
        14. # cat /var/qmail/control/dkim/public.txt

                dkim1._domainkey      IN      TXT     "k=rsa; 
p=******************************"

        15. Create DNS TXT record for your domain using the output
            from public.txt above

                _Host_                                 _Text_
                dkim1._domainkey        v=DKIM1; k=rsa; 
p=*************************

        16. Your DKIM setup is done.
        17. To test send mail to any yahoo email id and check headers.
            If errors show in headers then wait for changes to reflect
            in DNS.


    On 11/19/2020 2:28 AM, ChandranManikandan wrote:
    Hi Folks,

    Anyone had this experience?
    Why its not generating the DKIM Record when sent to Gmail?
    It was working well before it ran standby server and now standby
    server down and re-up the production server.
    But still not showing the dkim record in the message header in gmail.
    But dns records propagate which i feed the data from the server.
    Anyone had the experience.
    Appreciate your help.

    ---------- Forwarded message ---------
    From: *ChandranManikandan* <[email protected]
    <mailto:[email protected]>>
    Date: Wed, Nov 18, 2020 at 2:35 PM
    Subject: DKIM Record
    To: <[email protected]
    <mailto:[email protected]>>


    Hi Folks,

    I have updated my dns record of my qmailtoaster record below from
    my email server.

    cat /var/qmail/control/dkim/public.txt


    dkim1  IN  TXT   "k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNA ..."

    But when i tried to send my gmail account it still showed DKIM Fail.

    I have ran my standby server one week due to my production server
    down, then i have up the production server,
    Do i need to regenerate the new dkim record on our server

    Appreciate your help.



-- */Regards,
    Manikandan.C
    /*


-- */Regards,
    Manikandan.C
    /*



--
*/Regards,
Manikandan.C
/*

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