Node.js

Fetch Single Email by UID or Sequence Number

Assuming the UID is known, download a single email by UID from an IMAP mail server. Node.js

NODEJS_PRELUDE

function chilkatExample() {

    var success = false;

    //  This example requires the Chilkat API to have been previously unlocked.
    //  See Global Unlock Sample for sample code.

    var imap = new chilkat.Imap();

    //  Connect to an IMAP server.
    //  Use TLS
    imap.Ssl = true;
    imap.Port = 993;
    success = imap.Connect("imap.example.com");
    if (success == false) {
        console.log(imap.LastErrorText);
        return;
    }

    //  Login
    success = imap.Login("***","***");
    if (success == false) {
        console.log(imap.LastErrorText);
        return;
    }

    //  Select an IMAP mailbox
    success = imap.SelectMailbox("Inbox");
    if (success == false) {
        console.log(imap.LastErrorText);
        return;
    }

    var email = new chilkat.Email();

    var uid = 2014;
    var isUid = true;

    success = imap.FetchEmail(false,uid,isUid,email);
    if (success == false) {
        console.log(imap.LastErrorText);
        return;
    }

    //  Display the From and Subject
    console.log(email.FromAddress);
    console.log(email.Subject);

    //  Display the Body property, which is the default body.
    //  If an email has an HTML body, the Body property contains
    //  the HTML source.  Otherwise it contains the plain-text
    //  body.
    console.log("---- EMAIL BODY ----");
    console.log(email.Body);
    console.log("--------------------");

    //  Display the recipients:
    var j;
    for (j = 0; j <= email.NumTo - 1; j++) {
        console.log(email.GetToName(j) + ", " + email.GetToAddr(j));
    }

    for (j = 0; j <= email.NumCC - 1; j++) {
        console.log(email.GetCcName(j) + ", " + email.GetCcAddr(j));
    }

    //  Show the total size of the email, including body and attachments:
    console.log(email.Size);

    //  When a full email is downloaded, we would use the
    //  email.NumAttachments property in conjunction with the
    //  email.GetMailAttach* methods.
    //  However, when an email object contains only the header,
    //  we need to access the attachment info differently:
    var numAttach = imap.GetMailNumAttach(email);
    console.log(numAttach);

    for (j = 0; j <= numAttach - 1; j++) {
        console.log(imap.GetMailAttachFilename(email,j));
        var attachSize = imap.GetMailAttachSize(email,j);
        console.log("    size = " + attachSize + " bytes");
    }

    console.log("--");

    //  Disconnect from the IMAP server.
    success = imap.Disconnect();

}

chilkatExample();