Do I need to specify a recipient?

Question

When I send mail through mailgun, should I specify the recipient 'to'?

In some cases, I would prefer to specify only "Bcc" recipients.

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EDIT : I already tried to do it myself, and I get

'Bad Request - 'to' parameter is missing' error. 

I just wanted to find out if there is another way, because usually you can send an e-mail without a recipient to "If you specify the recipient CC or Bcc.

Answer 1

You cannot send mail only with bcc . There is a trick that I use, in which I make an address with the same address (something like [e-mail] ), and then fill in the BCC slot with what I need.

You can send mail using mailing lists that do not require you to open other email addresses.

https://documentation.mailgun.com/user_manual.html#mailing-lists

Answer 2

In the end, the SMTP call is transferred to the call provided by SMTP, which is usually not forced to have a 'to' recipient, but the best way is to run a test in which you send an email only from the "bcc" recipient (you can send it to yourself as a test "