...
mail.setReplyTo('replyme@company.com');
...

From: Company <some@company.com>
Reply-To: replyme@company.com
To: "customer@gmail.com" <customer@gmail.com>

From: Company <some@company.com>
Reply-To: Customer Requests <replyme@company.com>
To: "customer@gmail.com" <customer@gmail.com>

...
mail.setReplyTo('Name <replyme@company.com>');
...

SendEmail failed. First exception on row 0; first error: INVALID_EMAIL_ADDRESS, Invalid replyTo address: Name <replyme@company.com>: []

mail.setReplyTo('replyme@company.com');
mail.setSenderDisplayName('Customer Requests');