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(Node.js) Getting TO / CC Email Recipients

Demonstrates how to examine the TO and CC recipients of an email.

Note: BCC recipients are generally NOT found in the email's MIME. "BCC" is a "Blind Carbon Copy", which means that the TO and CC recipients of the email should not be able to see the BCC recipients. If the BCC email addresses were found in the MIME header, then they would no longer be "blind" because nothing would prevent the other recipients from seeing the list of BCC recipients.

To understand how BCC recipients receive an email, I recommend reading this blog post: SMTP Protocol in a Nutshell. The BCC recipients are passed to the SMTP server in “RCPT TO” commands.

Install Chilkat for Node.js and Electron using npm at

Chilkat npm packages for Node.js

Chilkat npm packages for Electron

on Windows, Linux, MacOSX, and ARM

var os = require('os');
if (os.platform() == 'win32') {  
    if (os.arch() == 'ia32') {
        var chilkat = require('@chilkat/ck-node21-win-ia32');
    } else {
        var chilkat = require('@chilkat/ck-node21-win64'); 
    }
} else if (os.platform() == 'linux') {
    if (os.arch() == 'arm') {
        var chilkat = require('@chilkat/ck-node21-arm');
    } else if (os.arch() == 'x86') {
        var chilkat = require('@chilkat/ck-node21-linux32');
    } else {
        var chilkat = require('@chilkat/ck-node21-linux64');
    }
} else if (os.platform() == 'darwin') {
    if (os.arch() == 'arm64') {
        var chilkat = require('@chilkat/ck-node21-mac-m1');
    } else {
        var chilkat = require('@chilkat/ck-node21-macosx');
    }
}

function chilkatExample() {

    // An email can have any number of To, CC, or Bcc recipients.
    var email = new chilkat.Email();

    var success;

    success = email.LoadEml("sample.eml");
    if (success !== true) {
        console.log(email.LastErrorText);
        return;
    }

    // It doesn't matter if the email object was loaded from a .eml file,
    // or if it was downloaded from a POP3 or IMAP server. 
    // The methods and properties for examining the TO and CC
    // recipients are the same.
    var i;

    // The number of TO recipients is found in the NumTo property
    var numTo = email.NumTo;

    // Iterate over each TO recipient
    if (numTo > 0) {
        for (i = 0; i <= numTo - 1; i++) {
            console.log("TO Friendly Name and Address: " + email.GetTo(i));
            console.log("TO Address: " + email.GetToAddr(i));
            console.log("TO Friendly Name: " + email.GetToName(i));
            console.log("---");
        }

    }

    // The number of CC recipients is found in the NumCC property
    var numCC = email.NumCC;

    // Iterate over each CC recipient
    if (numCC > 0) {
        for (i = 0; i <= numCC - 1; i++) {
            console.log("CC Friendly Name and Address: " + email.GetCC(i));
            console.log("CC Address: " + email.GetCcAddr(i));
            console.log("CC Friendly Name: " + email.GetCcName(i));
            console.log("---");
        }

    }


}

chilkatExample();

 

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