Title: Connectivity and Diagnostic errors
Last modified: December 1, 2016

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# Connectivity and Diagnostic errors

 *  [glforte](https://wordpress.org/support/users/glforte/)
 * (@glforte)
 * [9 years, 6 months ago](https://wordpress.org/support/topic/connectivity-and-diagnostic-errors/)
 * Hosted on DreamHost. Some emails not being delivered. Getting this Postman Diagnostic
   report:
 * OS: Linux bywater 3.2.61-grsec-modsign #1 SMP Tue Aug 12 09:58:26 UTC 2014 x86_64
   
   PHP: Linux 5.5.38 C PHP Dependencies: iconv=Yes, spl_autoload=Yes, openssl=Yes,
   sockets=Yes, allow_url_fopen=Yes, mcrypt=Yes, zlib_encode=Yes WordPress: 4.6.1
   en_US UTF-8 WordPress Theme: Illustrious Pro WordPress Plugins: JSO Updates, 
   Advanced Ads Pro, Advanced Ads, Advanced Custom Fields, Advanced Post Manager,
   Admin Columns, Content Aware Sidebars, CPO Content Types, Event Calendar Newsletter
   Pro Group By Modifications, Enhanced Media Library, Event Calendar Newsletter
   Pro, The Events Calendar PRO, Facebook Like Box, Optin Forms, Participants Database,
   Postman SMTP, PTA Volunteer Sign Up Sheets, Save with keyboard, Shortcodes Ultimate,
   Simple Membership After Login Redirection, Simple Membership Custom Messages,
   Simple Membership MailChimp Integration, Simple WordPress Membership, Social 
   Sharing Toolkit, SWPM Member Data Exporter, The Events Calendar: Community Events,
   The Events Calendar: List Venues/Organizers Shortcodes, The Events Calendar Shortcode,
   The Events Calendar, TJ Custom CSS, TinyMCE Advanced, UpdraftPlus – Backup/Restore,
   Wired Impact Volunteer Management, WP All Export WordPress wp_mail Filter(s):
   wp_staticize_emoji_for_email Postman: 1.7.2 Postman Sender Domain (Envelope|Message):
   jazzoregon.com | jazzoregon.com Postman Prevent Message Sender Override (Email
   |Name): No | No Postman Active Transport: SMTP (smtp:tls:plain://sub4.mail.dreamhost.
   com:587) Postman Active Transport Status (Ready|Connected): Yes | Yes Postman
   Deliveries (Success|Fail): 1 | 3
 * DreamHost recommends: sub4.mail.dreamhost.com, port 465, SMTP security but Postman
   wizard is selecting port 587 with STARTTLS.

The topic ‘Connectivity and Diagnostic errors’ is closed to new replies.

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 * 0 replies
 * 1 participant
 * Last reply from: [glforte](https://wordpress.org/support/users/glforte/)
 * Last activity: [9 years, 6 months ago](https://wordpress.org/support/topic/connectivity-and-diagnostic-errors/)
 * Status: not resolved