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Mail Sending Error (SSL_connect returned=1 errno=0 state=error: dh key too small)

Added by Sijo Joseph about 8 years ago

OS: Centos 7

Redmine 3.2.1

Error occurrs while sending mails.
Mail configuration used is given below

email_delivery:
    delivery_method: :smtp
    smtp_settings:
    address: 
      port: 587
      domain: 
      authentication: :login
      user_name: 
      password:

"An error occurred while sending mail (SSL_connect returned=1 errno=0 state=error: dh key too small)"

Kindly help to solve the issue.