file_test.go

@@ -155,34 +155,39 @@ func TestFile(t *testing.T) {
 			})
 		}
 	})
-	t.Run("WithFileContentType", func(t *testing.T) {
-		tests := []struct {
-			name        string
-			contentType ContentType
-		}{
-			{"File content-type: text/plain", TypeTextPlain},
-			{"File content-type: html/html", TypeTextHTML},
-			{"File content-type: application/octet-stream", TypeAppOctetStream},
-			{"File content-type: application/pgp-encrypted", TypePGPEncrypted},
-			{"File content-type: application/pgp-signature", TypePGPSignature},
-		}
-		for _, tt := range tests {
-			t.Run(tt.name, func(t *testing.T) {
-				message := NewMsg()
-				message.AttachFile("file.go", WithFileContentType(tt.contentType))
-				attachments := message.GetAttachments()
-				if len(attachments) <= 0 {
-					t.Fatalf("failed to retrieve attachments list")
-				}
-				firstAttachment := attachments[0]
-				if firstAttachment == nil {
-					t.Fatalf("failed to retrieve first attachment, got nil")
-				}
-				if firstAttachment.ContentType != tt.contentType {
-					t.Errorf("WithFileContentType() failed. Expected: %s, got: %s", tt.contentType,
-						firstAttachment.ContentType)
-				}
-			})
-		}
-	})
 }
+
+/*
+
+
+// TestFile_WithFileContentType tests the WithFileContentType option
+func TestFile_WithFileContentType(t *testing.T) {
+	tests := []struct {
+		name string
+		ct   ContentType
+		want string
+	}{
+		{"File content-type: text/plain", TypeTextPlain, "text/plain"},
+		{"File content-type: html/html", TypeTextHTML, "text/html"},
+		{"File content-type: application/octet-stream", TypeAppOctetStream, "application/octet-stream"},
+		{"File content-type: application/pgp-encrypted", TypePGPEncrypted, "application/pgp-encrypted"},
+		{"File content-type: application/pgp-signature", TypePGPSignature, "application/pgp-signature"},
+	}
+	for _, tt := range tests {
+		m := NewMsg()
+		t.Run(tt.name, func(t *testing.T) {
+			m.AttachFile("file.go", WithFileContentType(tt.ct))
+			al := m.GetAttachments()
+			if len(al) <= 0 {
+				t.Errorf("AttachFile() failed. Attachment list is empty")
+			}
+			a := al[0]
+			if a.ContentType != ContentType(tt.want) {
+				t.Errorf("WithFileContentType() failed. Expected: %s, got: %s", tt.want, a.ContentType)
+			}
+		})
+	}
+}
+
+
+*/

smtp/smtp.go

@@ -554,9 +554,20 @@ func (c *Client) Noop() error {
 
 // Quit sends the QUIT command and closes the connection to the server.
 func (c *Client) Quit() error {
-	// See https://github.com/golang/go/issues/70011
-	_ = c.hello() // ignore error; we're quitting anyhow
-
+	// If we already tried to send a EHLO/HELO but it failed, we still need to be able to send
+	// a QUIT to close the connection.
+	// c.hello() will return the global helloErr of the Client, which will always be set if the HELO
+	// failed before. Therefore if we already sent a HELO and the error is not nil, we skip another
+	// EHLO/HELO try
+	c.mutex.RLock()
+	didHello := c.didHello
+	helloErr := c.helloError
+	c.mutex.RUnlock()
+	if !didHello || helloErr == nil {
+		if err := c.hello(); err != nil {
+			return err
+		}
+	}
 	_, _, err := c.cmd(221, "QUIT")
 	if err != nil {
 		return err

smtp/smtp_test.go

@@ -900,35 +900,6 @@ Goodbye.
 QUIT
 `
 
-func TestHELOFailed(t *testing.T) {
-	serverLines := `502 EH?
-502 EH?
-221 OK
-`
-	clientLines := `EHLO localhost
-HELO localhost
-QUIT
-`
-	server := strings.Join(strings.Split(serverLines, "\n"), "\r\n")
-	client := strings.Join(strings.Split(clientLines, "\n"), "\r\n")
-	var cmdbuf strings.Builder
-	bcmdbuf := bufio.NewWriter(&cmdbuf)
-	var fake faker
-	fake.ReadWriter = bufio.NewReadWriter(bufio.NewReader(strings.NewReader(server)), bcmdbuf)
-	c := &Client{Text: textproto.NewConn(fake), localName: "localhost"}
-	if err := c.Hello("localhost"); err == nil {
-		t.Fatal("expected EHLO to fail")
-	}
-	if err := c.Quit(); err != nil {
-		t.Errorf("QUIT failed: %s", err)
-	}
-	_ = bcmdbuf.Flush()
-	actual := cmdbuf.String()
-	if client != actual {
-		t.Errorf("Got:\n%s\nWant:\n%s", actual, client)
-	}
-}
-
 func TestExtensions(t *testing.T) {
 	fake := func(server string) (c *Client, bcmdbuf *bufio.Writer, cmdbuf *strings.Builder) {
 		server = strings.Join(strings.Split(server, "\n"), "\r\n")