2 files changed, 2 insertions, 0 deletions
diff --git a/src/core/smtp/MCSMTPProgressCallback.h b/src/core/smtp/MCSMTPProgressCallback.h
index 7016cfcd..d3844a82 100644
--- a/src/core/smtp/MCSMTPProgressCallback.h
+++ b/src/core/smtp/MCSMTPProgressCallback.h
@@ -8,6 +8,7 @@ namespace mailcore {
     
     class SMTPSession;
     
+    MAILCORE_EXPORT
     class SMTPProgressCallback {
     public:
         virtual void bodyProgress(SMTPSession * session, unsigned int current, unsigned int maximum) {};
diff --git a/src/core/smtp/MCSMTPSession.h b/src/core/smtp/MCSMTPSession.h
index 4f7c9135..0db1acc8 100644
--- a/src/core/smtp/MCSMTPSession.h
+++ b/src/core/smtp/MCSMTPSession.h
@@ -13,6 +13,7 @@ namespace mailcore {
     class SMTPProgressCallback;
     class MessageBuilder;
     
+    MAILCORE_EXPORT
     class SMTPSession : public Object {
     public:
         SMTPSession();