Could Not Open Socket all of a sudden
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Hi, SMTP Postman was working great until about 5 hours ago when emails were not being sent from my website.
When I do a ‘Connectivity Test’ the result is that it can’t connect to my mail server with the service available saying NO for ports 25, 465 & 587???
It was working great until recently. I tested with another domain on the same server (thinking it may be firewall related – CSF) but that connection works great.
Don’t know what could be causing it. Nothing that I know has been changed on the website or cpanel account.
Any ideas??
Here is the diagnostic report;
OS: Linux server.[private].com.au SMP Thu Jun 4 05:46:45 EDT 2015 x86_64
PHP: Linux 5.3.29 C
PHP Dependencies: iconv=Yes, spl_autoload=Yes, openssl=Yes, sockets=Yes, allow_url_fopen=Yes, mcrypt=Yes, zlib_encode=Yes
WordPress: 4.3 en_US UTF-8
WordPress Theme: Ultimatum – Child
WordPress Plugins: Beaver Builder Plugin (Standard Version), Contact Form 7 Honeypot, Contact Form 7, Duplicator, Edge Suite, FooBox HTML & Media Lightbox, Foo Gallery, Imsanity, Overwrite Uploads, Postman SMTP, Rename wp-login.php (unmaintained), ShiftNav – Responsive Mobile Menu, Simple Page Ordering, Ultimatum ToolSet Reset, UberMenu 3 – The Ultimate WordPress Mega Menu, Ultimatum Connect WooCommerce, W3 Total Cache, WC Variations Radio Buttons, Woo Checkout Field Editor Pro, Woo Extra Flat Rate, WooCommerce Menu Cart, WooCommerce Sequential Order Numbers, WooCommerce, Wordfence Security, Yoast SEO, WP Edit, WP Mailto Links – Manage Email Links, WordPress Quick Navigation, YITH WooCommerce Zoom Magnifier
WordPress wp_mail Filter(s): wp_staticize_emoji_for_email
Postman: 1.7.2
Postman Sender Domain (Envelope|Message): [private].com.au | [private].com.au
Postman Prevent Message Sender Override (Email|Name): Yes | Yes
Postman Active Transport: SMTP (smtp:none:plain://mail.[private].com.au:587)
Postman Active Transport Status (Ready|Connected): Yes | No
Postman Deliveries (Success|Fail): 194 | 18
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