I have a Mailable in Laravel 5.3 App\Mail\CustomerCreated. It was all working fine.
We needed to change the sender email so, I edited the from, and we needed to add 2 attachments to the 2 already there. I did it. No change in the mail.
I changed the blade, and it correctly sent the new data, but still wrong sender and wrong attachments.
I tried artisan commands: php artisan clear-compiled php artisan cache:clear php artisan config:clear
Then I even commented out all the code in the build() of the mailable... and the mail still sent.