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WiltOnTilt
WiltOnTilt January 08, 2012 22:00

Better to send separate emails to each person or one email with lots of BCC ?

Question in the title... does it matter which I do? is one better? my application's connection to sendgrid appears to be timing out when I try to send out multiple separate emails but it works when I try one email with everyone BCC'd.

Thanks for any help!
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  • david.williams EMPLOYEE
    david.williams (Employee) January 09, 2012 23:16
    The connection will timeout if it's idle for something like 10 minutes. Could that be the source of your timeout issue? As long as you aren't idle, you should be able to keep a connection open forever (or at least as long as the server you're talking to is up). If you can reproduce the timeout, please open a ticket & we'll track down the problem.

    To answer you original question- It doesn't matter to us, but separate personalized emails are likely to get better deliverability & engagement. BCC emails are easier are slightly easier to send. You may want to look at our smtp api which lets you send a customized email for each recipient of the message. it's as simple as sending a single BCC email, but gets turned into a separate email to each address it's sent to.
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    good answer! good answer! (undo)
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