diff --git a/indra/newview/llfloaterpostcard.cpp b/indra/newview/llfloaterpostcard.cpp
index 816eb3614..045acd953 100644
--- a/indra/newview/llfloaterpostcard.cpp
+++ b/indra/newview/llfloaterpostcard.cpp
@@ -103,11 +103,7 @@ void LLFloaterPostcard::init()
 	if(!gAgent.getID().isNull())
 	{
 		// we're logged in, so we can get this info.
-		gMessageSystem->newMessageFast(_PREHASH_UserInfoRequest);
-		gMessageSystem->nextBlockFast(_PREHASH_AgentData);
-		gMessageSystem->addUUIDFast(_PREHASH_AgentID, gAgent.getID());
-		gMessageSystem->addUUIDFast(_PREHASH_SessionID, gAgent.getSessionID());
-		gAgent.sendReliableMessage();
+		gAgent.sendAgentUserInfoRequest();
 	}
 
 	sInstances.insert(this);
@@ -233,7 +229,7 @@ void LLFloaterPostcard::onClose(bool app_quitting)
 	destroy();
 }
 
-class LLSendPostcardResponder : public LLAssetUploadResponder
+class LLSendPostcardResponder final : public LLAssetUploadResponder
 {
 private:
 	int mSnapshotIndex;
@@ -248,22 +244,22 @@ public:
 	{	
 	}
 	// *TODO define custom uploadFailed here so it's not such a generic message
-	/*virtual*/ void uploadComplete(const LLSD& content)
+	void uploadComplete(const LLSD& content) override final
 	{
 		// we don't care about what the server returns from this post, just clean up the UI
 		LLFloaterSnapshot::savePostcardDone(true, mSnapshotIndex);
 	}
-	/*virtual*/ void uploadFailure(const LLSD& content)
+	void uploadFailure(const LLSD& content) override final
 	{
 		LLAssetUploadResponder::uploadFailure(content);
 		LLFloaterSnapshot::savePostcardDone(false, mSnapshotIndex);
 	}
-	/*virtual*/ void httpFailure(void)
+	void httpFailure(void) override final
 	{
 		LLAssetUploadResponder::httpFailure();
 		LLFloaterSnapshot::savePostcardDone(false, mSnapshotIndex);
 	}
-	/*virtual*/ char const* getName(void) const { return "LLSendPostcardResponder"; }
+	char const* getName(void) const override final { return "LLSendPostcardResponder"; }
 };
 
 // static
@@ -273,7 +269,6 @@ void LLFloaterPostcard::onClickSend(void* data)
 	{
 		LLFloaterPostcard *self = (LLFloaterPostcard *)data;
 
-		std::string from(self->childGetValue("from_form").asString());
 		std::string to(self->childGetValue("to_form").asString());
 		
 		boost::regex emailFormat("[A-Za-z0-9.%+-_]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,}(,[ \t]*[A-Za-z0-9.%+-_]+@[A-Za-z0-9.-]+\\.[A-Za-z]{2,})*");
@@ -284,12 +279,6 @@ void LLFloaterPostcard::onClickSend(void* data)
 			return;
 		}
 
-		if (from.empty() || !boost::regex_match(from, emailFormat))
-		{
-			LLNotificationsUtil::add("PromptSelfEmail");
-			return;
-		}
-
 		std::string subject(self->childGetValue("subject_form").asString());
 		if(subject.empty() || !self->mHasFirstMsgFocus)
 		{
@@ -349,10 +338,8 @@ void LLFloaterPostcard::uploadCallback(const LLUUID& asset_id, void *user_data,
 // static
 void LLFloaterPostcard::updateUserInfo(const std::string& email)
 {
-	for (instance_list_t::iterator iter = sInstances.begin();
-		 iter != sInstances.end(); ++iter)
+	for (auto& instance : sInstances)
 	{
-		LLFloaterPostcard *instance = *iter;
 		const std::string& text = instance->childGetValue("from_form").asString();
 		if (text.empty())
 		{
@@ -416,7 +403,6 @@ void LLFloaterPostcard::sendPostcard()
 		// the capability already encodes: agent ID, region ID
 		body["pos-global"] = mPosTakenGlobal.getValue();
 		body["to"] = childGetValue("to_form").asString();
-		body["from"] = childGetValue("from_form").asString();
 		body["name"] = childGetValue("name_form").asString();
 		body["subject"] = childGetValue("subject_form").asString();
 		body["msg"] = childGetValue("msg_form").asString();
diff --git a/indra/newview/llfloaterpostcard.h b/indra/newview/llfloaterpostcard.h
index e40479c17..2ae0f2fa9 100644
--- a/indra/newview/llfloaterpostcard.h
+++ b/indra/newview/llfloaterpostcard.h
@@ -46,17 +46,17 @@ class LLLineEditor;
 class LLButton;
 class LLImageJPEG;
 
-class LLFloaterPostcard 
+class LLFloaterPostcard final
 : public LLFloater
 {
 public:
 	LLFloaterPostcard(LLImageJPEG* jpeg, LLViewerTexture *img, const LLVector2& img_scale, const LLVector3d& pos_taken_global, int index);
-	/*virtual*/ ~LLFloaterPostcard();
+	/*virtual*/ ~LLFloaterPostcard() override;
 
-	/*virtual*/ void init();
-	/*virtual*/ BOOL postBuild();
-	/*virtual*/ void draw();
-	/*virtual*/ void onClose(bool app_quitting);
+	void init();
+	/*virtual*/ BOOL postBuild() override;
+	/*virtual*/ void draw() override;
+	/*virtual*/ void onClose(bool app_quitting) override;
 
 	static LLFloaterPostcard* showFromSnapshot(LLImageJPEG *jpeg, LLViewerTexture *img, const LLVector2& img_scale, const LLVector3d& pos_taken_global, int index);