BCC and CC recipients with Mailgun driver not being sent mail.

[cjpitch23]

I believe there is a bug with @adonisjs/mail package when it comes to sending bcc and/or cc recipients on a Mailgun driver. Since MIME only sends to the recipients in the to key, it doesn't send the email to those in the cc or bcc keys. I tried adding the recipients to both to and bcc and it sent the mail appropriately but the bcc recipients were not hidden. Looking into the code in the underlying Mail driver, I was able to fix the issue by updating the send() function in Mailgun.js with the following code

           Object.keys(recipients).forEach((key) => {
            if (key !== 'to') form.append('to', recipients[key])
            form.append(key, recipients[key])
        });

Here whenever the recipients are added to the form, it will append the bcc and cc recipients to the form as well.

After testing it, I was able to send emails to all of the recipients and the bcc recipients were hidden as intended.

Package version

@adonisjs/mail: 7.2.1

Node.js and npm version

Node: v14.17.0
NPM: v7.13.0

Sample Code (to reproduce the issue)

  messsage
    .from('test@test.com')
    .to('test1@test.com')
    .bcc('test2@test.com')
    .subject('This is just a test')
    .htmlView('emails/test');

[thetutlage]

Please open issues in the correct repo.

[cjpitch23]

I apologize. I didn't realize that I had made this mistake until after.

[thetutlage]

Released as @7.2.2