Title: 5.5.1 Error: authentication not enabled
Last modified: August 30, 2016

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# 5.5.1 Error: authentication not enabled

 *  Resolved [Bens770](https://wordpress.org/support/users/bens770/)
 * (@bens770)
 * [10 years, 7 months ago](https://wordpress.org/support/topic/551-error-authentication-not-enabled/)
 * Hi,
 * I just installed the plugin, set up the smtp account to use…
 * here is what I get when I do Send Test:
    5.5.1 Error: authentication not enabled
 * Please help, Thanks
 * [https://wordpress.org/plugins/postman-smtp/](https://wordpress.org/plugins/postman-smtp/)

Viewing 2 replies - 1 through 2 (of 2 total)

 *  Thread Starter [Bens770](https://wordpress.org/support/users/bens770/)
 * (@bens770)
 * [10 years, 7 months ago](https://wordpress.org/support/topic/551-error-authentication-not-enabled/#post-6673274)
 * Here is the diagnostic result:
 * OS: Linux cl7-web3.ispfr.net 3.2.45+nuxit-squeeze-grsec #1 SMP Tue May 21 09:
   18:11 UTC 2013 x86_64
    HTTP User Agent: Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/
   537.36 (KHTML, like Gecko) Chrome/45.0.2454.101 Safari/537.36 PHP: Linux 5.2.17
   C PHP Dependencies: iconv=Yes, spl_autoload=Yes, openssl=Yes, sockets=No, allow_url_fopen
   =Yes, mcrypt=Yes WordPress: 4.3.1 fr_FR WordPress Theme: OrelPhone WordPress 
   Plugins: All in one Favicon, All In One SEO Pack, Contact Form 7, Easy Excerpt,
   jQuery Lightbox, News-Ticker, NextGEN Gallery by Photocrati, Postman SMTP, Really
   Simple CAPTCHA, Remove Author Pages, Simple Google Sitemap XML, Wordfence Security
   WordPress wp_mail Filter(s): wp_staticize_emoji_for_email Postman: 1.6.24 Postman
   Sender Domain (Envelope|Message): orelphone.com | orelphone.com Postman Prevent
   Message Sender Override (Email|Name): No | No Postman Transport URI: smtp:none:
   plain://smtp.numero899.com:25 Postman Transport Status (Configured|Ready|Connected):
   Yes | Yes | Yes Postman Deliveries (Success|Fail): 0 | 1
 *  Plugin Author [Jason Hendriks](https://wordpress.org/support/users/jasonhendriks/)
 * (@jasonhendriks)
 * [10 years, 7 months ago](https://wordpress.org/support/topic/551-error-authentication-not-enabled/#post-6673283)
 * Your mail server is telling you that it wants authentication – that means sending
   it an account username and a password.
 * > smtp:none:plain://smtp.numero899.com:25
 * But you don’t have authentication enabled. You could trying using the Wizard 
   to setup Postman if you’re not sure what the email settings mean.

Viewing 2 replies - 1 through 2 (of 2 total)

The topic ‘5.5.1 Error: authentication not enabled’ is closed to new replies.

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## Tags

 * [authentication](https://wordpress.org/support/topic-tag/authentication/)

 * 2 replies
 * 2 participants
 * Last reply from: [Jason Hendriks](https://wordpress.org/support/users/jasonhendriks/)
 * Last activity: [10 years, 7 months ago](https://wordpress.org/support/topic/551-error-authentication-not-enabled/#post-6673283)
 * Status: resolved