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Issue after update

Discussion in 'Common issues' started by Newbie_Wizzer, Feb 8, 2020.

  1. Newbie_Wizzer

    Newbie_Wizzer New Member

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    S.E:
    2020-07-23 02:41:44
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    Hello,
    After updating to the latest version i have seeing this error on delivery logs (giveup)

    Expected response code 220 but got code "421", with message "421 56.domain.net out of connection slots " Log data: ++ Starting Swift_SmtpTransport << 421 56.domain.net out of connection slots !! Expected response code 220 but got code "421", with message "421 56.comain.net out of connection slots " (code: 421)

    Anyone knows what this is and how to fix it?

    Also the sending of campaigns has slowed down significantly

    Thank you for the help
     
  2. laurentiu

    laurentiu Active Member Staff Member

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