Watu  is going to send email messages in the name of the agency (as configured globally) as well as individual managers. Unfortunately, thanks to the huge amount of spam being sent every day, it's impossible to ensure that these messages won't be caught in spam filters. A good way to improve the chances of messages being delivered is to add the following record to your DNS for the domains you use for the agency and managers:

TXT v=spf1 include:spf.mtasv.net include:sendgrid.net ~all