Hello @haseeb0001
Here is the diagnostic report:
Mailer: postsmtp
HostName: metrosales.com
cURL Version: 7.58.0
OpenSSL Version: OpenSSL/1.1.1
OS: Linux pod-100656:apache2_74:v0.0.1 5.4.0-1069-gcp #73~18.04.1-Ubuntu SMP Wed Mar 30 06:23:51 UTC 2022 x86_64
PHP: Linux 7.4.33 C
PHP Dependencies: iconv=Yes, spl_autoload=Yes, openssl=Yes, sockets=Yes, allow_url_fopen=Yes, mcrypt=No, zlib_encode=Yes
WordPress: 6.0.3 en_US UTF-8
WordPress Theme: Metro Sales
WordPress Plugins: ACF: Better Search, Advanced Custom Fields PRO, Advanced Custom Fields Viewer, Block Manager, BulkPress, Contact Form 7, Custom Post Type UI, Disable Comments, Disable Gutenberg, Disable REST API, Duplicate Page, Email Templates, instant.page, Post SMTP, Redirection, Safe SVG, Show Current Template, TablePress, Yoast SEO, WP All Export Pro, WP All Import Pro, WP Sync DB Media Files, WP Sync DB, WP All Export - ACF Export Add-On Pro, WP All Import - ACF Add-On
WordPress wp_mail Owner: /nas/content/live/metrosales/wp-content/plugins/post-smtp/Postman/PostmanWpMailBinder.php
WordPress wp_mail Filter(s): wp_staticize_emoji_for_email, PostsmtpMailer->get_mail_args, Mailtpl_Mailer->send_email
WordPress wp_mail_from Filter(s): Mailtpl_Mailer->set_from_email
WordPress wp_mail_from_name Filter(s): Mailtpl_Mailer->set_from_name
WordPress wp_mail_content_type Filter(s): Mailtpl_Mailer->set_content_type
WordPress phpmailer_init Action(s): wpcf7_phpmailer_init
Postman: 2.1.10
Postman Sender Domain (Envelope|Message): metrosales.com | metrosales.com
Postman Prevent Message Sender Override (Email|Name): No | No
Postman Active Transport: SendGrid API (https://api.sendgrid.com:443)
Postman Active Transport Status (Ready|Connected): Yes | Yes
Postman Deliveries (Success|Fail): 1741 | 11
Im working on getting the email header from the client.