You sent too many similar subject emails.

Discussion in 'General discussions' started by SirNight, Jun 13, 2018.

  1. SirNight

    SirNight Member

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    I am getting this bounce..

    smtp; 550 5.7.1 You sent too many similar subject emails. Please try again. [SUB-003]

    Recipients are approved people. What can I do please?
     
  2. twisted1919

    twisted1919 Administrator Staff Member

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    Seems like a spam filter, maybe you should throttle sending ?
     

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