(Swift 3,4,5...) POP3 Fetch Mime Source of Email by UIDL

Demonstrates how to fetch the MIME source of a single email by UIDL.

Chilkat Downloads for the Swift Programming Language MAC OS X (Cocoa) Objective-C/Swift Libs iOS Objective-C/Swift Libs

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

    let mailman = CkoMailMan()!

    mailman.mailHost = "pop.example.com"

    mailman.popUsername = "myLogin"
    mailman.popPassword = "myPassword"

    mailman.mailPort = 995
    mailman.popSsl = true

    var sa: CkoStringArray? = mailman.getUidls()
    if mailman.lastMethodSuccess == false {
        print("\(mailman.lastErrorText!)")
        return
    }

    var numUidls: Int = sa!.count.intValue
    let bdMime = CkoBinData()!

    // Download the 1st email and save to a file.
    if numUidls > 0 {
        var uidl: String? = sa!.getString(0)
        print("\(uidl!)")

        // Download the MIME source of the email into bdMime.
        // The bdMime contains the email exactly as it is on the mail server.
        var success: Bool = mailman.fetchMimeBd(uidl, mimeData: bdMime)
        if success == false {
            print("\(mailman.lastErrorText!)")
            return
        }

        success = bdMime.writeFile("qa_output/firstEmail.eml")
    }

    sa = nil

}