<p>At work&comma; I&&num;8217&semi;m working on a reply-to system&period; Letting our user answer to email and treat those replies as messages in a thread&period; This feature is available on a lot of platform like GitHub&comma; GitLab&comma; etc &&num;8230&semi; nothing new&period;<&sol;p>&NewLine;<p>We were already using a docker image for MailCatcher &lpar;great piece of software&rpar;&comma; but I needed an IMAP access to test the retrieval of emails and their parsing&period;<&sol;p>&NewLine;<p>Since we&&num;8217&semi;re using docker in our development environment I went to the <a href&equals;"https&colon;&sol;&sol;hub&period;docker&period;com" target&equals;"&lowbar;blank">Hub<&sol;a> to find an image containing an IMAP and basic SMTP server&period; After multiple try and fail&comma; I found one based on exim &plus; courrier &plus; roundcube&period; It was nearly perfect&period;<&sol;p>&NewLine;<p>Earlier I tried Rainloop as a webmail&comma; and I have to admit this is the most complete I found online&comma; I wanted that client instead of Roundcube for my mailcatcher image&period; I created my own image basing it on another Rainloop-nginx&period;<&sol;p>&NewLine;<p>You can find my image with Exim &plus; Courrier &plus; Rainloop on the <a href&equals;"https&colon;&sol;&sol;hub&period;docker&period;com&sol;r&sol;belphemur&sol;mailcatcher-exim-courrier&sol;" target&equals;"&lowbar;blank">Docker Hub<&sol;a><&sol;p>&NewLine;<div class&equals;"reposidget">&NewLine; <header class&equals;"fontello">&NewLine; <span class&equals;"fontello info"><a href&equals;"https&colon;&sol;&sol;github&period;com&sol;myst729&sol;wp-reposidget" target&equals;"&lowbar;blank">GitHub Reposidget for WordPress<&sol;a><&sol;span>&NewLine; <h2>&NewLine; <a href&equals;"https&colon;&sol;&sol;github&period;com&sol;Belphemur">Belphemur<&sol;a>&NewLine; <span> &sol; <&sol;span>&NewLine; <a href&equals;"https&colon;&sol;&sol;github&period;com&sol;Belphemur&sol;docker-mailcatcher"><strong>docker-mailcatcher<&sol;strong><&sol;a>&NewLine; <&sol;h2>&NewLine; <&sol;header>&NewLine; <section>&NewLine; <p class&equals;"">Docker Container for a catchall email service &lpar;useful for development&rpar;<&sol;p>&NewLine; <p class&equals;"hidden homepage"><a href&equals;"https&colon;&sol;&sol;github&period;com&sol;Belphemur&sol;docker-mailcatcher"><strong>https&colon;&sol;&sol;github&period;com&sol;Belphemur&sol;docker-mailcatcher<&sol;strong><&sol;a><&sol;p>&NewLine; <&sol;section>&NewLine; <footer>&NewLine; <span class&equals;"fontello star">13<&sol;span><span class&equals;"fontello fork">3<&sol;span>&NewLine; <a class&equals;"" href&equals;"https&colon;&sol;&sol;github&period;com&sol;Belphemur&sol;docker-mailcatcher&sol;archive&sol;master&period;zip">Download ZIP<&sol;a>&NewLine; <&sol;footer>&NewLine;<&sol;div>&NewLine;