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When I send a mail using Contact Form 7 WordPress plugin on my website, I get Linode.com did not encrypt this message in the Gmail Error in Gmail. I also see a Red padlock.

Here's a screenshot:

enter image description here

How do I fix this?

Surjith S M
  • 111
  • 2

1 Answers1

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The following solution worked for me.

Here are the steps.

  1. Connect to your server as root. I used Filezilla
  2. Navigate to /etc/postfix/main.cf. In filezilla, first I had to click the / in the directory to access these folders
  3. Add the following lines in main.cf file as folows
smtpd_tls_security_level = may
smtp_tls_security_level = may
  1. Done! The message is now gone.

Source

Surjith S M
  • 111
  • 2