Support » Fixing WordPress » Bad Request(invalid_grant) with Postman SMTP

  • For the last 2 weeks no emails have been sent from our site, including orders and contact form. We use Postman SMTP. I attempted to reset but the plugin is no longer available? Below is the diagnostic text I get when running diagnostics:

    OS: Linux 2.6.32-696.16.1.el6.x86_64 #1 SMP Wed Nov 15 16:51:15 UTC 2017 x86_64
    PHP: Linux 5.6.32 C
    PHP Dependencies: iconv=Yes, spl_autoload=Yes, openssl=Yes, sockets=Yes, allow_url_fopen=No, mcrypt=Yes, zlib_encode=Yes
    WordPress: 4.9.1 en_US UTF-8
    WordPress Theme: Galleria
    WordPress Plugins: Contact Form 7, Custom Options Plus, WPBakery Page Builder, Postman SMTP, Slider Revolution, Theme Customisations, W3 Total Cache, WooCommerce Cart Tab, WooCommerce PayPal Pro (Classic and PayFlow Editions) Gateway, WooCommerce USPS Shipping, WooCommerce – ShipStation Integration, WooCommerce TransFirst/TransactionCentral Gateway, WooCommerce, WP Mail Logging
    WordPress wp_mail Filter(s): wp_staticize_emoji_for_email, No3x\WPML\WPML_Plugin->log_email
    WordPress phpmailer_init Action(s): wpcf7_phpmailer_init
    Postman: 1.7.2
    Postman Sender Domain (Envelope|Message): |
    Postman Prevent Message Sender Override (Email|Name): No | No
    Postman Active Transport: SMTP (smtp:tls:oauth2://
    Postman Active Transport Status (Ready|Connected): Yes | Yes
    Postman Deliveries (Success|Fail): 182 | 46

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