Forward port 1080 in Vagrantfile
config.vm.network :forwarded_port, host: 1080, guest: 1080
Install mailcatcher on vagrant box
sudo apt-get install ruby-dev
sudo apt-get install libsqlite3-dev
sudo gem install mailcatcher
Change smtp port in symfony app/config/parameters.yml
mailer_port: 1025
Start mailcatcher with ip option
mailcatcher --http-ip 0.0.0.0