Title: Incorrect authentication data
Last modified: February 7, 2019

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# Incorrect authentication data

 *  Resolved [ipsofact](https://wordpress.org/support/users/wuafri/)
 * (@wuafri)
 * [7 years, 3 months ago](https://wordpress.org/support/topic/incorrect-authentication-data-6/)
 * Hello,
    For some reason over the past 2 days I am getting this message Incorrect
   authentication data
 * Anything changed?

Viewing 5 replies - 1 through 5 (of 5 total)

 *  [yehudah](https://wordpress.org/support/users/yehudah/)
 * (@yehudah)
 * [7 years, 3 months ago](https://wordpress.org/support/topic/incorrect-authentication-data-6/#post-11180499)
 * Can you give more info?
 * Paste the diagnostic test output here.
 *  Thread Starter [ipsofact](https://wordpress.org/support/users/wuafri/)
 * (@wuafri)
 * [7 years, 3 months ago](https://wordpress.org/support/topic/incorrect-authentication-data-6/#post-11180511)
 * Yes. I feel like I updated the plugin but suddenly we stopped receiving emails
   
   220-app.springfieldymca.org ESMTP Exim 4.91 #1 Thu, 07 Feb 2019 10:10:34 -0600
   220-We do not authorize the use of this system to transport unsolicited, 220 
   and/or bulk e-mail. EHLO springfieldymca.org 250-app.springfieldymca.org Hello
   springfieldymca.org [199.223.210.135] 250-SIZE 52428800 250-8BITMIME 250-PIPELINING
   250-AUTH PLAIN LOGIN 250-STARTTLS 250 HELP AUTH PLAIN 334 AGluZm9Ac3ByaW5nZmllbGR5bWNhLm9yZwBTcHJpbmdmaWVsZDE3
   535 Incorrect authentication data
 * This is the site [https://www.springfieldymca.org/contact/](https://www.springfieldymca.org/contact/)
   
   Thank you!
 *  Thread Starter [ipsofact](https://wordpress.org/support/users/wuafri/)
 * (@wuafri)
 * [7 years, 3 months ago](https://wordpress.org/support/topic/incorrect-authentication-data-6/#post-11180517)
 * HostName: springfieldymca.org
    cURL Version: 7.38.0 OpenSSL Version: OpenSSL/
   1.0.1e OS: Linux app.springfieldymca.org 3.10.0-862.14.4.el7.x86_64 #1 SMP Wed
   Sep 26 15:12:11 UTC 2018 x86_64 PHP: Linux 5.6.31 en_US.UTF-8 PHP Dependencies:
   iconv=Yes, spl_autoload=Yes, openssl=Yes, sockets=Yes, allow_url_fopen=Yes, mcrypt
   =Yes, zlib_encode=Yes WordPress: 4.9.9 en_US UTF-8 WordPress Theme: Salient WordPress
   Plugins: 404page – your smart custom 404 error page, Advanced Ads, Autoptimize,
   Contact Form 7 Signature Addon, Contact Form 7, Enable Media Replace, Envato 
   Market, Event Calendar WD, Go Live Update URLS, Google Analytics Dashboard for
   WP (GADWP), Insert Headers and Footers, Salient WPBakery Page Builder, LoginPress–
   Customizing the WordPress Login, Post SMTP, Pretty Links, Snitch, SocialFans 
   Counter, SumoMe, W3 Total Cache, WonderPlugin Slider Lite, Yoast SEO, WP Add 
   Custom CSS, WP File Manager WordPress wp_mail Filter(s): wp_staticize_emoji_for_email
   WordPress phpmailer_init Action(s): wpcf7_phpmailer_init Postman: 1.9.6 Postman
   Sender Domain (Envelope|Message): springfieldymca.org | springfieldymca.org Postman
   Prevent Message Sender Override (Email|Name): No | No Postman Active Transport:
   SMTP (smtp:none:plain://smtp.office365.com:587) Postman Active Transport Status(
   Ready|Connected): Yes | Yes Postman Deliveries (Success|Fail): 2851 | 3812
 *  Thread Starter [ipsofact](https://wordpress.org/support/users/wuafri/)
 * (@wuafri)
 * [7 years, 3 months ago](https://wordpress.org/support/topic/incorrect-authentication-data-6/#post-11180554)
 * See screenshot
    [https://goo.gl/QXijW8](https://goo.gl/QXijW8) in 24 hours I 
   started getting that
 *  Thread Starter [ipsofact](https://wordpress.org/support/users/wuafri/)
 * (@wuafri)
 * [7 years, 3 months ago](https://wordpress.org/support/topic/incorrect-authentication-data-6/#post-11180833)
 * It was a hosting issue.
    Thanks for checking and replying quickly!
    -  This reply was modified 7 years, 3 months ago by [ipsofact](https://wordpress.org/support/users/wuafri/).
    -  This reply was modified 7 years, 3 months ago by [ipsofact](https://wordpress.org/support/users/wuafri/).

Viewing 5 replies - 1 through 5 (of 5 total)

The topic ‘Incorrect authentication data’ is closed to new replies.

 * ![](https://ps.w.org/post-smtp/assets/icon-128x128.gif?rev=3209655)
 * [Post SMTP – Complete Email Deliverability and SMTP Solution with Email Logs, Alerts, Backup SMTP & Mobile App](https://wordpress.org/plugins/post-smtp/)
 * [Frequently Asked Questions](https://wordpress.org/plugins/post-smtp/#faq)
 * [Support Threads](https://wordpress.org/support/plugin/post-smtp/)
 * [Active Topics](https://wordpress.org/support/plugin/post-smtp/active/)
 * [Unresolved Topics](https://wordpress.org/support/plugin/post-smtp/unresolved/)
 * [Reviews](https://wordpress.org/support/plugin/post-smtp/reviews/)

 * 5 replies
 * 2 participants
 * Last reply from: [ipsofact](https://wordpress.org/support/users/wuafri/)
 * Last activity: [7 years, 3 months ago](https://wordpress.org/support/topic/incorrect-authentication-data-6/#post-11180833)
 * Status: resolved