(Ruby) Read POP3 Mail Headers

Reads the header for each email in a POP3 mailbox and display the FROM and SUBJECT header fields.

Note: This example requires Chilkat v11.0.0 or greater.

Chilkat Ruby Downloads install from rubygems.org gem install chilkat or download... Ruby Library for Windows, MacOS, Linux, Alpine Linux

require 'chilkat'

success = false

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

# The mailman object is used for receiving (POP3) 
# and sending (SMTP) email.
mailman = Chilkat::CkMailMan.new()

# Set the POP3 server's hostname
mailman.put_MailHost("pop.someMailServer.com")

# Set the POP3 login/password.
mailman.put_PopUsername("****")
mailman.put_PopPassword("****")

# Read mail headers and one line of the body.
bundle = Chilkat::CkEmailBundle.new()
keepOnServer = true
headersOnly = true
numBodyLines = 1
success = mailman.FetchAll(keepOnServer,headersOnly,numBodyLines,bundle)
if (success == false)
    print mailman.lastErrorText() + "\n";
    exit
end

email = Chilkat::CkEmail.new()
i = 0
while i < bundle.get_MessageCount()
    bundle.EmailAt(i,email)

    # Display the From email address and the subject.
    print "From: " + email.ck_from() + "\n";
    print "Subject: " + email.subject() + "\n";

    i = i + 1
end