Bogdan Kushlyk

SX Easy-going SMTP is a free plugin for setting up sending emails for any WordPress web site.
Guide on how to use this plugin:
First of all install the plugin as described in “Installation”. 
After that new menu item “Settings -> SX Easy-going SMTP” will be added to admin settings menu.
For setting up third party mailing service like AWS SES, Google, Postmark or any other open the 
page Settings -> SX Easy-going SMTP and enter given credentials like host, port, username, password.

SX Easy-going SMTP

SX Easy-going SMTP is FREE plugin for sending e-mail from a wordpress web-site. Allows easily set up e-mail sending on any wordpress site in minutes.

joost de keijzer

Use <a href="https://wordpress.org/plugins/contact-form-7/" rel="ugc">Contact Form 7</a> for your <a href="https://stager.co/" rel="nofollow ugc">Stager</a> mailing opt-ins form.
Stager is an all-in-one platform for ticketing, marketing and event planning. One of its features is a mailing tool for your customers. There is an API to register users for mailings but no WordPress integration to use this API. Until now!
To use this plugin your organisation needs a Stager envirionment, see <a href="https://stager.co/" rel="nofollow ugc">Stager</a> for more information.
You need to know your organisations Stager subdomain, eg. <code>dkzr</code> when your Stager domain is <code>https://dkzr.stager.co/</code> and you need an Access Token. In your Stager Settings you will find the necessary information to configure your form.
All the configuration is done in your forms Additional Settings.

Mailing opt-in for Stager using CF7 (by DKZR)

Use Contact Form 7 for your Stager mailing opt-ins form.

SX Easy-going SMTP vs Mailing opt-in for Stager using CF7 (by DKZR)