Install DKIM on centos 5.3 with postfix 2.2.8

Discussion in 'Installation/Configuration' started by papon, May 29, 2019.

  1. papon

    papon New Member

    Hi Guys

    My current box is a centos 5.3 running amavisd, postifx 2.2.8, l
    since last week we cannot longer send mail to gmail cause we do not have domin authentication, DKIM,
    our version of postfix and server has been stable for more than 10 years, we have configured correctly SPF, DMARC and all need to send and rececive mail but we a re missing DKIM return 9 of 10 OK - with -1 on DKIM

    I have read that i need postfix Postfix 2.3.3 or better currently working. or higher? since dkim.milter dos not run o was not included on postfix prior to that version
    How do I upgrade my postfix on centos 5.3 to version 3.3.0 or higher without hunging my server?
    I would appreciate any help.
  2. Taleman

    Taleman Well-Known Member HowtoForge Supporter

    Is that CentOS version even supported anymore? Would it not make sense to upgrade to current CentOS to get recent versions for Postfix and other applications?
    Create image backup of your server so you can restore to bare metal if upgrade fails.

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