Clarify SMTP limitations
Clarify SMTP limitations
katieporter/docs,Whatthefoxsays/docs,Whatthefoxsays/docs,sendgrid/docs,katieporter/docs,ksigler7/docs,ksigler7/docs,katieporter/docs,Whatthefoxsays/docs,katieporter/docs,katieporter/docs,sendgrid/docs,sendgrid/docs,ksigler7/docs