How to download and setup amazon-mailer
Open terminal and run command
                                            git clone https://github.com/symfony/amazon-mailer.git
                                        
                                        git clone is used to create a copy or clone of amazon-mailer repositories.
                                        You pass git clone a repository URL. it supports a few different network protocols and corresponding URL formats.
Also you may download zip file with amazon-mailer https://github.com/symfony/amazon-mailer/archive/master.zip
Or simply clone amazon-mailer with SSH
                                            [email protected]:symfony/amazon-mailer.git                                    
                                    If you have some problems with amazon-mailer
You may open issue on amazon-mailer support forum (system) here: https://github.com/symfony/amazon-mailer/issuesSimilar to amazon-mailer repositories
Here you may see amazon-mailer alternatives and analogs
symfony grav ilios dragula rome horsey insignia jkanban Croppr.js EasyAdminBundle NelmioApiDocBundle SensioFrameworkExtraBundle LexikJWTAuthenticationBundle VichUploaderBundle DoctrineMigrationsBundle framework-bundle LiipImagineBundle FOSElasticaBundle SncRedisBundle KnpMenuBundle twig-bundle swiftmailer-bundle security-bundle web-profiler-bundle NelmioCorsBundle CraueFormFlowBundle SensioGeneratorBundle web-server-bundle LiipFunctionalTestBundle debug-bundle