Post SMTP

Hello.

Moved from Google apps for work to Microsoft.

I cannot get the contact forms to work. Nor can my web developer or microsoft.

This is the message below from wordpress

Please can someone help

Mailer: postsmtp
HostName: morganmaxwell.co.uk
cURL Version: 7.29.0
OpenSSL Version: NSS/3.53.1
OS: Linux hp3-linweb-wp30.hostingp3.local 5.9.3-1.el7.elrepo.x86_64 #1 SMP Sat Oct 31 09:41:18 EDT 2020 x86_64
PHP: Linux 7.3.25 C
PHP Dependencies: iconv=Yes, spl_autoload=Yes, openssl=Yes, sockets=Yes, allow_url_fopen=Yes, mcrypt=No, zlib_encode=Yes
WordPress: 5.5.3 en_GB UTF-8
WordPress Theme: Impreza Child
WordPress Plugins: Ultimate Addons for Visual Composer, Autoclear Autoptimize Cache, Autoptimize, iThemes Security, BJ Lazy Load, Breadcrumb NavXT, Cache Enabler, Check and Enable GZIP compression, Yoast Duplicate Post, GA Google Analytics, Insert Headers and Footers, WPBakery Visual Composer, Ninja Forms Analytics, Ninja Forms Blocks, Ninja Forms reCAPTCHA, Ninja Forms, SOGO Add Script Header Footer, Post SMTP, Really Simple SSL, Slider Revolution, Simple 301 Redirects, Speed Booster Pack, UpdraftPlus – Backup/Restore, UpSolution Header Builder, Yoast SEO, Asset CleanUp: Page Speed Booster, Smush
WordPress wp_mail Owner: /home/domains/vol4/415/3086415/user/htdocs/wp-content/plugins/post-smtp/Postman/PostmanWpMailBinder.php
WordPress wp_mail Filter(s): wp_staticize_emoji_for_email, PostsmtpMailer->get_mail_args
WordPress phpmailer_init Action(s): PostsmtpMailer->phpmailer_smtp_init
Postman: 2.0.15
Postman Sender Domain (Envelope|Message): morganmaxwell.co.uk | morganmaxwell.co.uk
Postman Prevent Message Sender Override (Email|Name): No | No
Postman Active Transport: SMTP (smtps:login://smtp.office365.com:25)
Postman Active Transport Status (Ready|Connected): Yes | No
Postman Deliveries (Success|Fail): 184 | 741

The page I need help with: [log in to see the link]