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"not delivered" - what is the cause?
  • Vote Up0Vote Down ilshilsh
    Posts: 43Sendy user

    Two of clients scheduled their campaigns at the same time. In the end one campaign shows "18 not delivered" and the other "39 not delivered".

    What might be the cause? Is there a known issue when sendy handles two simultaneous campaigns?

  • 4 Comments
  • Vote Up0Vote Down BenBen
    Posts: 3,484Sendy support

    Hi @ilsh,

    When you get "x not delivered",

    When an email can't be transferred to Amazon SES on the first attempt, Sendy will retry the transfer once again. If the email can't be transferred to Amazon SES after the second attempt, it will be logged into the "x not delivered" CSV.

    Best regards,
    Ben

  • Vote Up0Vote Down ilshilsh
    Posts: 43Sendy user

    Thanks, Ben. Do you think the failure of transfer might be due to two campaigns were being sent at the same time?

  • Vote Up0Vote Down ilshilsh
    Posts: 43Sendy user

    Found another related issue: I download the emails which were "not delivered" and found they are the same email repeated 39 times (the other repeated 18 times).

  • Vote Up0Vote Down BenBen
    Posts: 3,484Sendy support

    You're welcome. These emails are most probably in Amazon SES's suppression list that is why they rejected it.

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