Question

WordPress SMTP DigitalOcean Issue

Posted December 22, 2014 9k views

Hi,

Has anyone had an issue with using WP Mail SMTP on digitalocean servers?

I created a contact form plugin for my wordpress website.

I am using the wpmail to send email.
http://codex.wordpress.org/FunctionReference/wp_mail

I am using WP MAIL SMTP plugin. So that wp_mail function uses SMTP instead of the standard mail().
https://wordpress.org/plugins/wp-mail-smtp/

1.
local: (smtp.live.com) Sent
live: (smtp.live.com ) Failed

Was told smtp.live.com blocks digitaloceans IP thats fine.

2.
local: (smtp.gmail.com) Sent
live: (smtp.gmail.com) Failed

Error message from WP MAIL SMTP plugin:
[“authenticate”]=>
string(35) “SMTP Error: Could not authenticate.”
[“connecthost”]=>
string(43) “SMTP Error: Could not connect to SMTP host.”
[“datanot_accepted”]=>
string(30) “SMTP Error: data not accepted.”

3.

local: (smtp.mandrillapp.com) Sent
Live: (smtp.mandrillapp.com) Failed

Same Error as gmail.

==========================================================================

I’ve gone onto gmail and EVEN mandrill and it’s not working live but works locally. So i am unsure what is the difference on my local ubuntu 14.04 machine when compared to my live droplet ubuntu 14.04 machine when i set them up the same way using the guides found on digital ocean.

  1. Anyone else had a problem with this?

  2. Does someone know of an alternative to WP SMTP Plugin so i can rule out or determine whether the plugin has an issue when used from my droplet.

  3. Could port 587 or 465 be blocked on my droplet? Could someone please tell me how i can check and then how i can open the ports.

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KHAN
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KHAN
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1 comment
  • fdiazsmith March 29, 2015
    Reply Report

    I have the same exact problem. On my localhost server SMTP and phpMail works - I can send email in many different ways. But none work in my droplet.
    I have run :

    nc -vz smtp.gmail.com 25

    and the connection succeeds (it also succeeds in port 465) so I am assuming that it’s not SMTP being blocked.
    How can I determine if its an issue with my droplet or with wordpress. Does any one have any ideas on good methods for debugging this?

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2 answers
kamaln7 December 22, 2014

It’s possible that SMTP is blocked on your droplet. Run the following command to check if you can connect to port 25 on a remote server:

nc -vz smtp.gmail.com 25

If that does not succeed, please open a support ticket so the team can take a look and help you out. Thanks!

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  • vluzrmos December 31, 2014

    That is right!

    Hello!

To curb a recent increase in abuse and SPAM, we have an initial SMTP block on new accounts created in certain contexts.

To remove that block we'd like to do some manual account verification.

Please let us know the following:

Your Name 
Location 
Phone Number 
The reason you are requesting the removal of the SMTP block
    Reply Report
deleonjosejuan3 November 5, 2017

Hello I have this problem, What can I do?
Test Message Sent
The result was:
C:\wamp64\www\rabbit\wp-content\plugins\wp-mail-smtp\wpmailsmtp.php:257:boolean false
The full debugging output is shown below:
PHPMailer Object
(
[Version] => 5.2.22
[Priority] =>
[CharSet] => UTF-8
[ContentType] => text/plain
[Encoding] => 7bit
[ErrorInfo] => SMTP Error: Could not connect to SMTP host.
[From] => my.grannies.food@gmail.com
[FromName] => Grannies Food
[Sender] =>
[ReturnPath] =>
[Subject] => WP Mail SMTP: Test mail to deleon.josejuan3@gmail.com
[Body] => This is a test email generated by the WP Mail SMTP WordPress plugin.
[AltBody] =>
[Ical] =>
[MIMEBody:protected] => This is a test email generated by the WP Mail SMTP WordPress plugin.

[MIMEHeader:protected] => Date: Sun, 5 Nov 2017 14:21:41 +0000

To: deleon.josejuan3@gmail.com
From: Grannies Food
Subject: WP Mail SMTP: Test mail to deleon.josejuan3@gmail.com
Message-ID: 29edd326265f7ca1667075bd7a13c902@localhost
X-Mailer: PHPMailer 5.2.22 (https://github.com/PHPMailer/PHPMailer)
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8

[mailHeader:protected] => 
[WordWrap] => 0
[Mailer] => smtp
[Sendmail] => /usr/sbin/sendmail
[UseSendmailOptions] => 1
[PluginDir] => 
[ConfirmReadingTo] => 
[Hostname] => 
[MessageID] => 
[MessageDate] => Sun, 5 Nov 2017 14:21:41 +0000
[Host] => smtp.gmail.com
[Port] => 465
[Helo] => 
[SMTPSecure] => tls
[SMTPAutoTLS] => 1
[SMTPAuth] => 1
[SMTPOptions] => Array
    (
    )

[Username] => my.grannies.food@gmail.com
[Password] => cdg1cdg1607993281
[AuthType] => 
[Realm] => 
[Workstation] => 
[Timeout] => 300
[SMTPDebug] => 0
[Debugoutput] => echo
[SMTPKeepAlive] => 
[SingleTo] => 
[SingleToArray] => Array
    (
    )

[do_verp] => 
[AllowEmpty] => 
[LE] => 

[DKIM_selector] => 
[DKIM_identity] => 
[DKIM_passphrase] => 
[DKIM_domain] => 
[DKIM_private] => 
[DKIM_private_string] => 
[action_function] => 
[XMailer] => 
[smtp:protected] => SMTP Object
    (
        [Version] => 5.2.22
        [SMTP_PORT] => 25
        [CRLF] => 

        [do_debug] => 0
        [Debugoutput] => echo
        [do_verp] => 
        [Timeout] => 300
        [Timelimit] => 300
        [smtp_transaction_id_patterns:protected] => Array
            (
                [exim] => /[0-9]{3} OK id=(.*)/
                [sendmail] => /[0-9]{3} 2.0.0 (.*) Message/
                [postfix] => /[0-9]{3} 2.0.0 Ok: queued as (.*)/
            )

        [smtp_conn:protected] => 
        [error:protected] => Array
            (
                [error] => 
                [detail] => 
                [smtp_code] => 
                [smtp_code_ex] => 
            )

        [helo_rply:protected] => 
        [server_caps:protected] => 
        [last_reply:protected] => 
    )

[to:protected] => Array
    (
        [0] => Array
            (
                [0] => deleon.josejuan3@gmail.com
                [1] => 
            )

    )

[cc:protected] => Array
    (
    )

[bcc:protected] => Array
    (
    )

[ReplyTo:protected] => Array
    (
    )

[all_recipients:protected] => Array
    (
        [deleon.josejuan3@gmail.com] => 1
    )

[RecipientsQueue:protected] => Array
    (
    )

[ReplyToQueue:protected] => Array
    (
    )

[attachment:protected] => Array
    (
    )

[CustomHeader:protected] => Array
    (
    )

[lastMessageID:protected] => <29edd326265f7ca1667075bd7a13c902@localhost>
[message_type:protected] => plain
[boundary:protected] => Array
    (
        [1] => b1_29edd326265f7ca1667075bd7a13c902
        [2] => b2_29edd326265f7ca1667075bd7a13c902
        [3] => b3_29edd326265f7ca1667075bd7a13c902
    )

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

[error_count:protected] => 2
[sign_cert_file:protected] => 
[sign_key_file:protected] => 
[sign_extracerts_file:protected] => 
[sign_key_pass:protected] => 
[exceptions:protected] => 1
[uniqueid:protected] => 29edd326265f7ca1667075bd7a13c902

)
The SMTP debugging output is shown below:

Thank You

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