Using SmtpClient.Send to send ~500-2500 emails what way would be faster.

Posted by jamone on Stack Overflow See other posts from Stack Overflow or by jamone
Published on 2010-05-06T15:48:34Z Indexed on 2010/05/06 17:38 UTC
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I'm needing to send around 500-2500 emails out at a time to internal email accounts. I'm wondering which was would be faster both for the mail server and for my client app. Should I send multiple emails with just different TO addresses, or just one with multiple BCC addresses? I tried testing this by sending a bunch to my own email and the multiple emails method work, but with the BCC and a single message I only get that single message in my inbox. Shouldn't I be getting as many copies as the number of times I put my address in the BCC line?

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