SMTP Error: Could not authenticate.
PHPMailer Object
(
    [Priority] => 3
    [CharSet] => iso-8859-1
    [ContentType] => multipart/alternative
    [Encoding] => 8bit
    [ErrorInfo] => SMTP Error: Could not authenticate.
    [From] => zp@retail-biz.in
    [FromName] => From name
    [Sender] => 
    [Subject] => Here is the subject
    [Body] => This is the HTML message body <strong>Hi, This is second mail from Admin</strong>
    [AltBody] => This is the body in plain text for non-HTML mail clients
    [WordWrap] => 0
    [Mailer] => smtp
    [Sendmail] => /usr/sbin/sendmail
    [PluginDir] => 
    [ConfirmReadingTo] => 
    [Hostname] => 
    [MessageID] => 
    [Host] => mail.retail-biz.in
    [Port] => 25
    [Helo] => 
    [SMTPSecure] => 
    [SMTPAuth] => 1
    [Username] => zp@retail-biz.in
    [Password] => H,Zo@xBoCYBL
    [Timeout] => 20
    [SMTPDebug] => 
    [SMTPKeepAlive] => 
    [SingleTo] => 
    [SingleToArray] => Array
        (
        )

    [LE] => 

    [DKIM_selector] => phpmailer
    [DKIM_identity] => 
    [DKIM_domain] => 
    [DKIM_private] => 
    [action_function] => 
    [Version] => 5.1
    [smtp:PHPMailer:private] => SMTP Object
        (
            [Version] => 5.2.9
            [SMTP_PORT] => 25
            [CRLF] => 

            [do_debug] => 
            [Debugoutput] => echo
            [do_verp] => 
            [Timeout] => 300
            [Timelimit] => 300
            [smtp_conn:protected] => Resource id #6
            [error:protected] => Array
                (
                )

            [helo_rply:protected] => 250-server14.hostingraja.org Hello www.retail-biz.in.esiccoop.in [103.92.235.17]
250-SIZE 104857600
250-LIMITS MAILMAX=1000 RCPTMAX=50000
250-8BITMIME
250-PIPELINING
250-PIPECONNECT
250-AUTH PLAIN LOGIN
250-STARTTLS
250 HELP

            [server_caps:protected] => Array
                (
                    [EHLO] => server14.hostingraja.org
                    [SIZE] => 104857600
                    [LIMITS] => Array
                        (
                            [0] => MAILMAX=1000
                            [1] => RCPTMAX=50000
                        )

                    [8BITMIME] => 1
                    [PIPELINING] => 1
                    [PIPECONNECT] => 1
                    [AUTH] => Array
                        (
                            [0] => PLAIN
                            [1] => LOGIN
                        )

                    [STARTTLS] => 1
                    [HELP] => 1
                )

            [last_reply:protected] => 250 Reset OK

        )

    [to:PHPMailer:private] => Array
        (
            [0] => Array
                (
                    [0] => amitava.esi@gmail.com
                    [1] => 
                )

        )

    [cc:PHPMailer:private] => Array
        (
        )

    [bcc:PHPMailer:private] => Array
        (
        )

    [ReplyTo:PHPMailer:private] => Array
        (
        )

    [all_recipients:PHPMailer:private] => Array
        (
            [amitava.esi@gmail.com] => 1
        )

    [attachment:PHPMailer:private] => Array
        (
        )

    [CustomHeader:PHPMailer:private] => Array
        (
        )

    [message_type:PHPMailer:private] => alt
    [boundary:PHPMailer:private] => Array
        (
            [1] => b1_397cce34e03b9f1a41d6998b1b6a3e1f
            [2] => b2_397cce34e03b9f1a41d6998b1b6a3e1f
        )

    [language:protected] => Array
        (
            [provide_address] => You must provide at least one recipient email address.
            [mailer_not_supported] =>  mailer is not supported.
            [execute] => Could not execute: 
            [instantiate] => Could not instantiate mail function.
            [authenticate] => SMTP Error: Could not authenticate.
            [from_failed] => The following From address failed: 
            [recipients_failed] => SMTP Error: The following recipients failed: 
            [data_not_accepted] => SMTP Error: Data not accepted.
            [connect_host] => SMTP Error: Could not connect to SMTP host.
            [file_access] => Could not access file: 
            [file_open] => File Error: Could not open file: 
            [encoding] => Unknown encoding: 
            [signing] => Signing Error: 
            [smtp_error] => SMTP server error: 
            [empty_message] => Message body empty
            [invalid_address] => Invalid address
            [variable_set] => Cannot set or reset variable: 
        )

    [error_count:PHPMailer:private] => 1
    [sign_cert_file:PHPMailer:private] => 
    [sign_key_file:PHPMailer:private] => 
    [sign_key_pass:PHPMailer:private] => 
    [exceptions:PHPMailer:private] => 
)
Message could not be sent.Mailer Error: SMTP Error: Could not authenticate.