Okay, here is the output from the test email. Some information has been redacted to protect my information.
Test Message Sent
The result was:
bool(false)
The full debugging output is shown below:
object(PHPMailer)#54 (69) {
["Version"]=>
string(5) "5.2.7"
["Priority"]=>
int(3)
["CharSet"]=>
string(5) "UTF-8"
["ContentType"]=>
string(10) "text/plain"
["Encoding"]=>
string(4) "8bit"
["ErrorInfo"]=>
string(30) "SMTP Error: data not accepted."
["From"]=>
string(29) "XXXXXXXXXXXXX"
["FromName"]=>
string(22) "XXXXXXXXXXXXX"
["Sender"]=>
string(29) "XXXXXXXXXXXXX"
["ReturnPath"]=>
string(0) ""
["Subject"]=>
string(63) "WP Mail SMTP: Test mail to XXXXXXXXXXXXX"
["Body"]=>
string(68) "This is a test email generated by the WP Mail SMTP WordPress plugin."
["AltBody"]=>
string(0) ""
["Ical"]=>
string(0) ""
["MIMEBody":protected]=>
string(69) "This is a test email generated by the WP Mail SMTP WordPress plugin.
"
["MIMEHeader":protected]=>
string(503) "Date: Wed, 10 Jun 2015 17:12:25 +0000
Return-Path:
To: XXXXXXXXXXXXX
From: XXXXXXXXXXXXX
Subject: WP Mail SMTP: Test mail to XXXXXXXXXXXXX
Message-ID: <18df0a633bbd73ec1d5b9b45b50eeda1@xxx.com>
X-Priority: 3
X-Mailer: PHPMailer 5.2.7 (https://github.com/PHPMailer/PHPMailer/)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
"
["mailHeader":protected]=>
string(0) ""
["WordWrap"]=>
int(0)
["Mailer"]=>
string(4) "smtp"
["Sendmail"]=>
string(18) "/usr/sbin/sendmail"
["UseSendmailOptions"]=>
bool(true)
["PluginDir"]=>
string(0) ""
["ConfirmReadingTo"]=>
string(0) ""
["Hostname"]=>
string(0) ""
["MessageID"]=>
string(0) ""
["MessageDate"]=>
string(0) ""
["Host"]=>
string(18) "smtp.office365.com"
["Port"]=>
string(3) "587"
["Helo"]=>
string(0) ""
["SMTPSecure"]=>
string(3) "tls"
["SMTPAuth"]=>
bool(true)
["Username"]=>
string(27) "XXXXXXXXXXXXX"
["Password"]=>
string(13) "XXXXXXXXXXXXX"
["AuthType"]=>
string(0) ""
["Realm"]=>
string(0) ""
["Workstation"]=>
string(0) ""
["Timeout"]=>
int(10)
["SMTPDebug"]=>
bool(true)
["Debugoutput"]=>
string(4) "echo"
["SMTPKeepAlive"]=>
bool(false)
["SingleTo"]=>
bool(false)
["SingleToArray"]=>
array(0) {
}
["do_verp"]=>
bool(false)
["AllowEmpty"]=>
bool(false)
["LE"]=>
string(1) "
"
["DKIM_selector"]=>
string(0) ""
["DKIM_identity"]=>
string(0) ""
["DKIM_passphrase"]=>
string(0) ""
["DKIM_domain"]=>
string(0) ""
["DKIM_private"]=>
string(0) ""
["action_function"]=>
string(0) ""
["XMailer"]=>
string(0) ""
["smtp":protected]=>
object(SMTP)#77 (12) {
["Version"]=>
string(5) "5.2.7"
["SMTP_PORT"]=>
int(25)
["CRLF"]=>
string(2) "
"
["do_debug"]=>
bool(true)
["Debugoutput"]=>
string(4) "echo"
["do_verp"]=>
bool(false)
["Timeout"]=>
int(10)
["Timelimit"]=>
int(30)
["smtp_conn":protected]=>
resource(324) of type (stream)
["error":protected]=>
array(3) {
["error"]=>
string(23) "DATA END command failed"
["smtp_code"]=>
string(3) "550"
["detail"]=>
string(70) "5.7.60 SMTP; Client does not have permissions to send as this sender
"
}
["helo_rply":protected]=>
string(192) "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-AUTH LOGIN
250-8BITMIME
250-BINARYMIME
250 CHUNKING
"
["last_reply":protected]=>
NULL
}
["to":protected]=>
array(1) {
[0]=>
array(2) {
[0]=>
string(36) "XXXXXXXXXXXXX"
[1]=>
string(0) ""
}
}
["cc":protected]=>
array(0) {
}
["bcc":protected]=>
array(0) {
}
["ReplyTo":protected]=>
array(0) {
}
["all_recipients":protected]=>
array(1) {
["XXXXXXXXXXXXX"]=>
bool(true)
}
["attachment":protected]=>
array(0) {
}
["CustomHeader":protected]=>
array(0) {
}
["lastMessageID":protected]=>
string(59) "<18df0a633bbd73ec1d5b9b45b50eeda1@xxx.com>"
["message_type":protected]=>
string(5) "plain"
["boundary":protected]=>
array(3) {
[1]=>
string(35) "b1_18df0a633bbd73ec1d5b9b45b50eeda1"
[2]=>
string(35) "b2_18df0a633bbd73ec1d5b9b45b50eeda1"
[3]=>
string(35) "b3_18df0a633bbd73ec1d5b9b45b50eeda1"
}
["language":protected]=>
array(18) {
["authenticate"]=>
string(35) "SMTP Error: Could not authenticate."
["connect_host"]=>
string(43) "SMTP Error: Could not connect to SMTP host."
["data_not_accepted"]=>
string(30) "SMTP Error: data not accepted."
["empty_message"]=>
string(18) "Message body empty"
["encoding"]=>
string(18) "Unknown encoding: "
["execute"]=>
string(19) "Could not execute: "
["file_access"]=>
string(23) "Could not access file: "
["file_open"]=>
string(33) "File Error: Could not open file: "
["from_failed"]=>
string(35) "The following From address failed: "
["instantiate"]=>
string(36) "Could not instantiate mail function."
["invalid_address"]=>
string(15) "Invalid address"
["mailer_not_supported"]=>
string(25) " mailer is not supported."
["provide_address"]=>
string(54) "You must provide at least one recipient email address."
["recipients_failed"]=>
string(45) "SMTP Error: The following recipients failed: "
["signing"]=>
string(15) "Signing Error: "
["smtp_connect_failed"]=>
string(22) "SMTP connect() failed."
["smtp_error"]=>
string(19) "SMTP server error: "
["variable_set"]=>
string(30) "Cannot set or reset variable: "
}
["error_count":protected]=>
int(2)
["sign_cert_file":protected]=>
string(0) ""
["sign_key_file":protected]=>
string(0) ""
["sign_key_pass":protected]=>
string(0) ""
["exceptions":protected]=>
bool(true)
}
The SMTP debugging output is shown below:
SMTP -> get_lines(): $data was ""SMTP -> get_lines(): $str is "220 DM2PR07CA0018.outlook.office365.com Microsoft ESMTP MAIL Service ready at Wed, 10 Jun 2015 17:12:25 +0000
"SMTP -> get_lines(): $data is "220 DM2PR07CA0018.outlook.office365.com Microsoft ESMTP MAIL Service ready at Wed, 10 Jun 2015 17:12:25 +0000
"SMTP -> FROM SERVER:220 DM2PR07CA0018.outlook.office365.com Microsoft ESMTP MAIL Service ready at Wed, 10 Jun 2015 17:12:25 +0000
CLIENT -> SMTP: EHLO XXXXXXXXXXXXX.com
SMTP -> get_lines(): $data was ""SMTP -> get_lines(): $str is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
"SMTP -> get_lines(): $str is "250-SIZE 157286400
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
"SMTP -> get_lines(): $str is "250-PIPELINING
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
"SMTP -> get_lines(): $str is "250-DSN
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
"SMTP -> get_lines(): $str is "250-ENHANCEDSTATUSCODES
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
"SMTP -> get_lines(): $str is "250-STARTTLS
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
"SMTP -> get_lines(): $str is "250-8BITMIME
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-8BITMIME
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-8BITMIME
"SMTP -> get_lines(): $str is "250-BINARYMIME
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-8BITMIME
250-BINARYMIME
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-8BITMIME
250-BINARYMIME
"SMTP -> get_lines(): $str is "250 CHUNKING
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-8BITMIME
250-BINARYMIME
250 CHUNKING
"SMTP -> FROM SERVER:250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-STARTTLS
250-8BITMIME
250-BINARYMIME
250 CHUNKING
CLIENT -> SMTP: STARTTLS
SMTP -> get_lines(): $data was ""SMTP -> get_lines(): $str is "220 2.0.0 SMTP server ready
"SMTP -> get_lines(): $data is "220 2.0.0 SMTP server ready
"SMTP -> FROM SERVER:220 2.0.0 SMTP server ready
CLIENT -> SMTP: EHLO xxx.com
SMTP -> get_lines(): $data was ""SMTP -> get_lines(): $str is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
"SMTP -> get_lines(): $str is "250-SIZE 157286400
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
"SMTP -> get_lines(): $str is "250-PIPELINING
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
"SMTP -> get_lines(): $str is "250-DSN
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
"SMTP -> get_lines(): $str is "250-ENHANCEDSTATUSCODES
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
"SMTP -> get_lines(): $str is "250-AUTH LOGIN
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-AUTH LOGIN
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-AUTH LOGIN
"SMTP -> get_lines(): $str is "250-8BITMIME
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-AUTH LOGIN
250-8BITMIME
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-AUTH LOGIN
250-8BITMIME
"SMTP -> get_lines(): $str is "250-BINARYMIME
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-AUTH LOGIN
250-8BITMIME
250-BINARYMIME
"SMTP -> get_lines(): $data was "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-AUTH LOGIN
250-8BITMIME
250-BINARYMIME
"SMTP -> get_lines(): $str is "250 CHUNKING
"SMTP -> get_lines(): $data is "250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-AUTH LOGIN
250-8BITMIME
250-BINARYMIME
250 CHUNKING
"SMTP -> FROM SERVER:250-DM2PR07CA0018.outlook.office365.com Hello [xx.xx.xx.xx]
250-SIZE 157286400
250-PIPELINING
250-DSN
250-ENHANCEDSTATUSCODES
250-AUTH LOGIN
250-8BITMIME
250-BINARYMIME
250 CHUNKING
CLIENT -> SMTP: AUTH LOGIN
SMTP -> get_lines(): $data was ""SMTP -> get_lines(): $str is "334 VXNlcm5hbWU6
"SMTP -> get_lines(): $data is "334 VXNlcm5hbWU6
"SMTP -> FROM SERVER:334 VXNlcm5hbWU6
CLIENT -> SMTP: bWFpbG1hbkBhZ2VudHB1Ymxpc2hpbmcuY29t
SMTP -> get_lines(): $data was ""SMTP -> get_lines(): $str is "334 UGFzc3dvcmQ6
"SMTP -> get_lines(): $data is "334 UGFzc3dvcmQ6
"SMTP -> FROM SERVER:334 UGFzc3dvcmQ6
CLIENT -> SMTP: U3VtbWVyQWdlbnQxNQ==
SMTP -> get_lines(): $data was ""SMTP -> get_lines(): $str is "235 2.7.0 Authentication successful target host SN1PR12MB0157.namprd12.prod.outlook.com
"SMTP -> get_lines(): $data is "235 2.7.0 Authentication successful target host SN1PR12MB0157.namprd12.prod.outlook.com
"SMTP -> FROM SERVER:235 2.7.0 Authentication successful target host SN1PR12MB0157.namprd12.prod.outlook.com
CLIENT -> SMTP: MAIL FROM:
SMTP -> get_lines(): $data was ""SMTP -> get_lines(): $str is "250 2.1.0 Sender OK
"SMTP -> get_lines(): $data is "250 2.1.0 Sender OK
"SMTP -> FROM SERVER:250 2.1.0 Sender OK
CLIENT -> SMTP: RCPT TO:
SMTP -> get_lines(): $data was ""SMTP -> get_lines(): $str is "250 2.1.5 Recipient OK
"SMTP -> get_lines(): $data is "250 2.1.5 Recipient OK
"SMTP -> FROM SERVER:250 2.1.5 Recipient OK
CLIENT -> SMTP: DATA
SMTP -> get_lines(): $data was ""SMTP -> get_lines(): $str is "354 Start mail input; end with .
"SMTP -> get_lines(): $data is "354 Start mail input; end with .
"SMTP -> FROM SERVER:354 Start mail input; end with .
CLIENT -> SMTP: Date: Wed, 10 Jun 2015 17:12:25 +0000
CLIENT -> SMTP: Return-Path:
CLIENT -> SMTP: To: XXXXXXXXXXXXX
CLIENT -> SMTP: From: XXXXXXXXXXXXX
CLIENT -> SMTP: Subject: WP Mail SMTP: Test mail to XXXXXXXXXXXXX
CLIENT -> SMTP: Message-ID: <18df0a633bbd73ec1d5b9b45b50eeda1@xxx.com>
CLIENT -> SMTP: X-Priority: 3
CLIENT -> SMTP: X-Mailer: PHPMailer 5.2.7 (https://github.com/PHPMailer/PHPMailer/)
CLIENT -> SMTP: MIME-Version: 1.0
CLIENT -> SMTP: Content-Type: text/plain; charset=UTF-8
CLIENT -> SMTP: Content-Transfer-Encoding: 8bit
CLIENT -> SMTP:
CLIENT -> SMTP: This is a test email generated by the WP Mail SMTP WordPress plugin.
CLIENT -> SMTP:
CLIENT -> SMTP: .
SMTP -> get_lines(): $data was ""SMTP -> get_lines(): $str is "550 5.7.60 SMTP; Client does not have permissions to send as this sender
"SMTP -> get_lines(): $data is "550 5.7.60 SMTP; Client does not have permissions to send as this sender
"SMTP -> FROM SERVER:550 5.7.60 SMTP; Client does not have permissions to send as this sender
SMTP -> ERROR: DATA END command failed: 550 5.7.60 SMTP; Client does not have permissions to send as this sender
CLIENT -> SMTP: QUIT
SMTP -> get_lines(): $data was ""SMTP -> get_lines(): $str is "221 2.0.0 Service closing transmission channel
"SMTP -> get_lines(): $data is "221 2.0.0 Service closing transmission channel
"SMTP -> FROM SERVER:221 2.0.0 Service closing transmission channel