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504 Gateway Error while choosing multiple lists

edited January 2023 in Troubleshooting

While sending the campaigns, we are facing an issue while choosing multiple lists to send the email campaign.

The recipient count does not get updated for a long time due to which we get a 504 Gateway Error. We are currently using the latest version of Sendy available to us (Version 6.0,3).


  • Hi,

    Try raising your server's memory_limit in your php.ini to a larger number so that Sendy can use more server resources to perform the bulk operation.


    Best regards,

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