5.3.0

Release Notes for 5.3.0

Feature release (minor)

5.3.0

• Total issues resolved: 0
• Total pull requests resolved: 3
• Total contributors: 1

enhancement

• 284: Add PostmarkAdminClientInterface thanks to @gsteel
• 282: Add an interface for the main Postmark Client thanks to @gsteel

bug,enhancement

• 281: Allow header instances in message delivery methods thanks to @gsteel