policy: Impl Addressing{} and Recipient{} for #84

pkg/policy/recipient.go

@@ -0,0 +1,25 @@
+package policy
+
+import "net/mail"
+
+// Recipient represents a potential email recipient, allows policies for it to be queried.
+type Recipient struct {
+	mail.Address
+	apolicy *Addressing
+	// LocalPart is the part of the address before @, including +extension.
+	LocalPart string
+	// Domain is the part of the address after @.
+	Domain string
+	// Mailbox is the canonical mailbox name for this recipient.
+	Mailbox string
+}
+
+// ShouldAccept returns true if Inbucket should accept mail for this recipient.
+func (r *Recipient) ShouldAccept() bool {
+	return true
+}
+
+// ShouldStore returns true if Inbucket should store mail for this recipient.
+func (r *Recipient) ShouldStore() bool {
+	return r.apolicy.ShouldStoreDomain(r.Domain)
+}