Just tried it, still not working apart from to GMail.
If it helps at all, this is the debugging info I get from WP Mail SMTP:
Test Message Sent
The result was:
bool(true)
The full debugging output is shown below:
object(PHPMailer)#502 (53) {
["Priority"]=>
int(3)
["CharSet"]=>
string(5) "UTF-8"
["ContentType"]=>
string(10) "text/plain"
["Encoding"]=>
string(4) "8bit"
["ErrorInfo"]=>
string(0) ""
["From"]=>
string(17) "[email protected]"
["FromName"]=>
string(8) "nextinct"
["Sender"]=>
string(0) ""
["Subject"]=>
string(49) "WP Mail SMTP: Test mail to [email protected]"
["Body"]=>
string(68) "This is a test email generated by the WP Mail SMTP WordPress plugin."
["AltBody"]=>
string(0) ""
["WordWrap"]=>
int(0)
["Mailer"]=>
string(4) "smtp"
["Sendmail"]=>
string(18) "/usr/sbin/sendmail"
["PluginDir"]=>
string(0) ""
["ConfirmReadingTo"]=>
string(0) ""
["Hostname"]=>
string(0) ""
["MessageID"]=>
string(0) ""
["Host"]=>
string(9) "localhost"
["Port"]=>
string(2) "25"
["Helo"]=>
string(0) ""
["SMTPSecure"]=>
string(0) ""
["SMTPAuth"]=>
bool(false)
["Username"]=>
string(0) ""
["Password"]=>
string(0) ""
["Timeout"]=>
int(10)
["SMTPDebug"]=>
int(2)
["SMTPKeepAlive"]=>
bool(false)
["SingleTo"]=>
bool(false)
["SingleToArray"]=>
array(0) {
}
["LE"]=>
string(1) "
"
["DKIM_selector"]=>
string(9) "phpmailer"
["DKIM_identity"]=>
string(0) ""
["DKIM_domain"]=>
string(0) ""
["DKIM_private"]=>
string(0) ""
["action_function"]=>
string(0) ""
["Version"]=>
string(3) "5.1"
["smtp:private"]=>
object(SMTP)#501 (7) {
["SMTP_PORT"]=>
int(25)
["CRLF"]=>
string(2) "
"
["do_debug"]=>
int(2)
["do_verp"]=>
bool(false)
["smtp_conn:private"]=>
resource(114) of type (stream)
["error:private"]=>
NULL
["helo_rply:private"]=>
string(87) "250-nextinct Hello localhost [127.0.0.1]
250-SIZE 52428800
250-PIPELINING
250 HELP
"
}
["to:private"]=>
array(1) {
[0]=>
array(2) {
[0]=>
string(22) "[email protected]"
[1]=>
string(0) ""
}
}
["cc:private"]=>
array(0) {
}
["bcc:private"]=>
array(0) {
}
["ReplyTo:private"]=>
array(0) {
}
["all_recipients:private"]=>
array(1) {
["[email protected]"]=>
bool(true)
}
["attachment:private"]=>
array(0) {
}
["CustomHeader:private"]=>
array(0) {
}
["message_type:private"]=>
string(5) "plain"
["boundary:private"]=>
array(2) {
[1]=>
string(35) "b1_48e0aa6ec8f3d5fdde40d069cdec2349"
[2]=>
string(35) "b2_48e0aa6ec8f3d5fdde40d069cdec2349"
}
["language:protected"]=>
array(0) {
}
["error_count:private"]=>
int(0)
["sign_cert_file:private"]=>
string(0) ""
["sign_key_file:private"]=>
string(0) ""
["sign_key_pass:private"]=>
string(0) ""
["exceptions:private"]=>
bool(false)
}
The SMTP debugging output is shown below:
SMTP -> FROM SERVER:220 nextinct ESMTP Exim 4.69 Thu, 22 Dec 2011 07:52:51 +0000
SMTP -> FROM SERVER: 250-nextinct Hello localhost [127.0.0.1]
250-SIZE 52428800
250-PIPELINING
250 HELP
SMTP -> FROM SERVER:250 OK
SMTP -> FROM SERVER:250 Accepted
SMTP -> FROM SERVER:354 Enter message, ending with "." on a line by itself
SMTP -> FROM SERVER:250 OK id=1RddSN-0003AF-5F