diff --git a/Gopkg.lock b/Gopkg.lock
index dbbed48..23c0c40 100644
--- a/Gopkg.lock
+++ b/Gopkg.lock
@@ -47,19 +47,24 @@
   branch = "master"
   name = "github.com/mitchellh/cli"
   packages = ["."]
-  revision = "33edc47170b5df54d2588696d590c5e20ee583fe"
+  revision = "518dc677a1e1222682f4e7db06721942cb8e9e4c"
 
 [[projects]]
   name = "github.com/posener/complete"
-  packages = [".","cmd","cmd/install","match"]
-  revision = "dc2bc5a81accba8782bebea28628224643a8286a"
-  version = "v1.1"
+  packages = [
+    ".",
+    "cmd",
+    "cmd/install",
+    "match"
+  ]
+  revision = "98eb9847f27ba2008d380a32c98be474dea55bdf"
+  version = "v1.1.1"
 
 [[projects]]
   branch = "master"
   name = "golang.org/x/sys"
   packages = ["unix"]
-  revision = "53aa286056ef226755cd898109dbcdaba8ac0b81"
+  revision = "cc7307a45468e49eaf2997c890f14aa03a26917b"
 
 [solve-meta]
   analyzer-name = "dep"
diff --git a/Makefile b/Makefile
index 1e04c4f..1f08e11 100644
--- a/Makefile
+++ b/Makefile
@@ -9,10 +9,11 @@ DIR_RELEASE=release
 VERSION=$(patsubst "%",%,$(lastword $(shell grep 'const Version' version.go)))
 GITTAG=$(shell git rev-parse --short HEAD)
 
-.PHONY: build build-linux-amd64 build-linux-386 clean
-
 default: build
 
+FORCE:
+.PHONY: FORCE
+
 $(DIR_BUILD)/bin/$(THIS_GOOS)_$(THIS_GOARCH)/dep:
 	mkdir -p /tmp/go
 	GOPATH=/tmp/go go get -d -v github.com/golang/dep
@@ -21,16 +22,25 @@ $(DIR_BUILD)/bin/$(THIS_GOOS)_$(THIS_GOARCH)/dep:
 
 dep: $(DIR_BUILD)/bin/$(THIS_GOOS)_$(THIS_GOARCH)/dep
 
+$(DIR_BUILD)/bin/$(THIS_GOOS)_$(THIS_GOARCH)/ghr:
+	mkdir -p /tmp/go
+	GOPATH=/tmp/go go get -d -v github.com/tcnksm/ghr
+	GOPATH=/tmp/go go build -v -o $(DIR_BUILD)/bin/$(THIS_GOOS)_$(THIS_GOARCH)/ghr github.com/tcnksm/ghr
+	rm -rf /tmp/go
+
+ghr: $(DIR_BUILD)/bin/$(THIS_GOOS)_$(THIS_GOARCH)/ghr
+
 installdeps: dep
 	$(DIR_BUILD)/bin/$(THIS_GOOS)_$(THIS_GOARCH)/dep ensure -v -vendor-only
 
-build:
-	go build -v -i -ldflags "-X main.gittag=$(GITTAG)" -o $(DIR_BUILD)/mailfull_$(GOOS)_$(GOARCH)/mailfull cmd/mailfull/*.go
+
+build: FORCE
+	go build -v -ldflags "-X main.gittag=$(GITTAG)" -o $(DIR_BUILD)/mailfull_$(GOOS)_$(GOARCH)/mailfull cmd/mailfull/*.go
 
 .build-docker:
 	docker run --rm -v $(DIR_PKG):/go/pkg -v $(PWD):/go/src/github.com/directorz/mailfull-go -w /go/src/github.com/directorz/mailfull-go \
-	-e GOOS=$(GOOS) -e GOARCH=$(GOARCH) golang:1.9.2 \
-	go build -v -i -ldflags "-X main.gittag=$(GITTAG)" -o $(DIR_BUILD)/mailfull_$(GOOS)_$(GOARCH)/mailfull cmd/mailfull/*.go
+	-e GOOS=$(GOOS) -e GOARCH=$(GOARCH) golang:1.10 \
+	go build -v -ldflags "-X main.gittag=$(GITTAG)" -o $(DIR_BUILD)/mailfull_$(GOOS)_$(GOARCH)/mailfull cmd/mailfull/*.go
 
 build-linux-amd64:
 	@$(MAKE) .build-docker GOOS=linux GOARCH=amd64
@@ -38,6 +48,7 @@ build-linux-amd64:
 build-linux-386:
 	@$(MAKE) .build-docker GOOS=linux GOARCH=386
 
+
 release: release-linux-amd64 release-linux-386
 
 release-linux-amd64: build-linux-amd64
@@ -55,12 +66,13 @@ release-targz: dir-$(DIR_RELEASE)
 dir-$(DIR_RELEASE):
 	mkdir -p $(DIR_RELEASE)
 
-release-upload: release-linux-amd64 release-linux-386 release-github-token
-	ghr -u directorz -r mailfull-go -t $(shell cat github_token) --replace --draft $(VERSION) $(DIR_RELEASE)
+release-upload: ghr release-linux-amd64 release-linux-386 release-github-token
+	$(DIR_BUILD)/bin/$(THIS_GOOS)_$(THIS_GOARCH)/ghr -u directorz -r mailfull-go -t $(shell cat github_token) --replace --draft $(VERSION) $(DIR_RELEASE)
 
 release-github-token: github_token
 	@echo "file \"github_token\" is required"
 
+
 clean:
 	-rm -rf $(DIR_BUILD)
 	-rm -rf $(DIR_RELEASE)
diff --git a/user.go b/user.go
index c502cb8..8e46d1f 100644
--- a/user.go
+++ b/user.go
@@ -100,6 +100,9 @@ func (r *Repository) Users(domainName string) ([]*User, error) {
 
 		forwards, err := r.userForwards(domainName, name)
 		if err != nil {
+			if err == ErrInvalidUserName {
+				continue
+			}
 			return nil, err
 		}
 
diff --git a/valid.go b/valid.go
index 8061cd3..b6bb007 100644
--- a/valid.go
+++ b/valid.go
@@ -33,20 +33,20 @@ func validAliasDomainTarget(target string) bool {
 
 // validUserName returns true if the input is correct format.
 func validUserName(name string) bool {
-	return regexp.MustCompile(`^[^\s@]+$`).MatchString(name)
+	return regexp.MustCompile(`^[^\.\s@][^\s@]+$`).MatchString(name)
 }
 
 // validAliasUserName returns true if the input is correct format.
 func validAliasUserName(name string) bool {
-	return regexp.MustCompile(`^[^\s@]+$`).MatchString(name)
+	return regexp.MustCompile(`^[^\.\s@][^\s@]+$`).MatchString(name)
 }
 
 // validAliasUserTarget returns true if the input is correct format.
 func validAliasUserTarget(target string) bool {
-	return regexp.MustCompile(`^[^\s@]+@([A-Za-z0-9\-]+\.)*[A-Za-z]+$`).MatchString(target)
+	return regexp.MustCompile(`^[^\.\s@][^\s@]+@([A-Za-z0-9\-]+\.)*[A-Za-z]+$`).MatchString(target)
 }
 
 // validCatchAllUserName returns true if the input is correct format.
 func validCatchAllUserName(name string) bool {
-	return regexp.MustCompile(`^[^\s@]+$`).MatchString(name)
+	return regexp.MustCompile(`^[^\.\s@][^\s@]+$`).MatchString(name)
 }
diff --git a/version.go b/version.go
index ee1ab3b..b3b32ea 100644
--- a/version.go
+++ b/version.go
@@ -1,4 +1,4 @@
 package mailfull
 
 // Version is a version number.
-const Version = "v1.0.2"
+const Version = "v1.0.3"