Email functionality is not working once the AMA module gets uninstalled/removed after promoting site to Dev or Stage.
As a workaround, one should need to do this manually by importing below config file: This will restore the default configuration over your system.
This will restore the default configuration over your system.
Acquia Migrate Accelerate uses
terrible_mail_man as a default plugin by disabling
php_mail service. In case, after migrating application to non-production environments, the default mail interface doesn't revert back to the value as
php_mail then core
system.mail configuration needs to be imported manually.
P.S. The issue has recently been addressed in AMA product releases. In case, the issue is still being faced, the above workaround should definitely help.