Support » Plugin: Email Users » No email to larger group

  • Hello,

    I am using Email Users with SendGrid.

    I can send emails to individuals and the admin group of 4, but when I try to send to my group of 651 members, no email is sent.

    When I press ‘send’ from Email Users I get the message: “651 emails was sent” . But they are not. Please advise.

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  • Plugin Author Mike Walsh


    This sort of behavior is typically seen when you hosting provider imposes some sort of limit on the number of addresses which can appear in the BCC mail header. This is fairly common which is why Email Users supports a BCC limit setting.

    You may want to check with your provider to see if there is a limit and then set the BCC limit accordingly. When the BCC limit is set, Email Users will break up your recipient list into chunks and send the number of emails necessary to cover all recipients.

    In your case, with 651 users, if the BCC limit was set to 50, Email Users would send 14 emails, the first 13 would have 50 recipients and the last one would have one.

    If your hosting provider doesn’t impose BCC limits, then I would enable debug mode which will display the mail headers on the Dashboard. You can look at the mail headers to make sure they are as expect them to be. Since you are getting a message that the mail was sent, I suspect the mail headers are correct.

    I have no idea how Send Grid fits into this picture, I am not using it but am pretty sure others have. You can always try temporarily disabling Send Grid and see if it works.

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