diff --git a/parsemail.go b/parsemail.go
index d526dd7..3011f96 100644
--- a/parsemail.go
+++ b/parsemail.go
@@ -9,7 +9,6 @@
 	"mime"
 	"mime/multipart"
 	"net/mail"
-	"regexp"
 	"strings"
 	"time"
 )
@@ -32,11 +31,13 @@
 		return
 	}
 
-	contentType, params, err := parseContentType(msg.Header.Get("Content-Type"))
+	email.ContentType = msg.Header.Get("Content-Type")
+	contentType, params, err := parseContentType(email.ContentType)
 	if err != nil {
 		return
 	}
 
+
 	switch contentType {
 	case contentTypeMultipartMixed:
 		email.TextBody, email.HTMLBody, email.Attachments, email.EmbeddedFiles, err = parseMultipartMixed(msg.Body, params["boundary"])
@@ -49,7 +50,7 @@
 		message, _ := ioutil.ReadAll(msg.Body)
 		email.HTMLBody = strings.TrimSuffix(string(message[:]), "\n")
 	default:
-		err = fmt.Errorf("Unknown top level mime type: %s", contentType)
+		email.Content, err = decodeContent(msg.Body, msg.Header.Get("Content-Transfer-Encoding"))
 	}
 
 	return
@@ -240,6 +241,13 @@
 			if err != nil {
 				return textBody, htmlBody, attachments, embeddedFiles, err
 			}
+		} else if contentType == contentTypeTextPlain {
+			ppContent, err := ioutil.ReadAll(part)
+			if err != nil {
+				return textBody, htmlBody, attachments, embeddedFiles, err
+			}
+
+			textBody += strings.TrimSuffix(string(ppContent[:]), "\n")
 		} else if isAttachment(part) {
 			at, err := decodeAttachment(part)
 			if err != nil {
@@ -292,29 +300,13 @@
 	return mail.Header(parsedHeader), nil
 }
 
-func decodePartData(part *multipart.Part) (io.Reader, error) {
-	encoding := part.Header.Get("Content-Transfer-Encoding")
-
-	if strings.EqualFold(encoding, "base64") {
-		dr := base64.NewDecoder(base64.StdEncoding, part)
-		dd, err := ioutil.ReadAll(dr)
-		if err != nil {
-			return nil, err
-		}
-
-		return bytes.NewReader(dd), nil
-	}
-
-	return nil, fmt.Errorf("Unknown encoding: %s", encoding)
-}
-
 func isEmbeddedFile(part *multipart.Part) bool {
 	return part.Header.Get("Content-Transfer-Encoding") != ""
 }
 
 func decodeEmbeddedFile(part *multipart.Part) (ef EmbeddedFile, err error) {
 	cid := decodeMimeSentence(part.Header.Get("Content-Id"))
-	decoded, err := decodePartData(part)
+	decoded, err := decodeContent(part, part.Header.Get("Content-Transfer-Encoding"))
 	if err != nil {
 		return
 	}
@@ -332,7 +324,7 @@
 
 func decodeAttachment(part *multipart.Part) (at Attachment, err error) {
 	filename := decodeMimeSentence(part.FileName())
-	decoded, err := decodePartData(part)
+	decoded, err := decodeContent(part, part.Header.Get("Content-Transfer-Encoding"))
 	if err != nil {
 		return
 	}
@@ -344,6 +336,23 @@
 	return
 }
 
+func decodeContent(content io.Reader, encoding string) (io.Reader, error) {
+	switch encoding {
+	case "base64":
+		decoded := base64.NewDecoder(base64.StdEncoding, content)
+		b, err := ioutil.ReadAll(decoded)
+		if err != nil {
+			return nil, err
+		}
+
+		return bytes.NewReader(b), nil
+	case "":
+		return content, nil
+	default:
+		return nil, fmt.Errorf("unknown encoding: %s", encoding)
+	}
+}
+
 type headerParser struct {
 	header *mail.Header
 	err    error
@@ -376,21 +385,24 @@
 	return
 }
 
-var timezoneRegex = regexp.MustCompile(` \([A-Za-z0-9]+\)$`)
-
 func (hp headerParser) parseTime(s string) (t time.Time) {
 	if hp.err != nil || s == "" {
 		return
 	}
 
-	t, hp.err = time.Parse(time.RFC1123Z, s)
-	if hp.err == nil {
-		return t
+	formats := []string{
+		time.RFC1123Z,
+		"Mon, 2 Jan 2006 15:04:05 -0700",
+		time.RFC1123Z + " (MST)",
+		"Mon, 2 Jan 2006 15:04:05 -0700 (MST)",
 	}
 
-	s = timezoneRegex.ReplaceAllString(s, "")
-
-	t, hp.err = time.Parse("Mon, 2 Jan 2006 15:04:05 -0700", s)
+	for _, format := range formats {
+		t, hp.err = time.Parse(format, s)
+		if hp.err == nil {
+			return
+		}
+	}
 
 	return
 }
@@ -455,9 +467,12 @@
 	ResentBcc       []*mail.Address
 	ResentMessageID string
 
+	ContentType string
+	Content io.Reader
+
 	HTMLBody string
 	TextBody string
 
 	Attachments   []Attachment
 	EmbeddedFiles []EmbeddedFile
-}
+}
\ No newline at end of file
diff --git a/parsemail_test.go b/parsemail_test.go
index 9d6e4d3..17ae024 100644
--- a/parsemail_test.go
+++ b/parsemail_test.go
@@ -13,6 +13,8 @@
 	var testData = map[int]struct {
 		mailData string
 
+		contentType     string
+		content         string
 		subject         string
 		date            time.Time
 		from            []mail.Address
@@ -182,6 +184,8 @@
 		},
 		6: {
 			mailData: data1,
+			contentType: `multipart/mixed; boundary=f403045f1dcc043a44054c8e6bbf`,
+			content: "",
 			subject:  "Peter Paholík",
 			from: []mail.Address{
 				{
@@ -208,6 +212,8 @@
 		},
 		7: {
 			mailData: data2,
+			contentType: `multipart/alternative; boundary="------------C70C0458A558E585ACB75FB4"`,
+			content: "",
 			subject:  "Re: Test Subject 2",
 			from: []mail.Address{
 				{
@@ -245,6 +251,85 @@
 				},
 			},
 		},
+		8: {
+			mailData: imageContentExample,
+			subject:  "Saying Hello",
+			from: []mail.Address{
+				{
+					Name:    "John Doe",
+					Address: "jdoe@machine.example",
+				},
+			},
+			to: []mail.Address{
+				{
+					Name:    "Mary Smith",
+					Address: "mary@example.net",
+				},
+			},
+			sender: mail.Address{
+				Name:    "Michael Jones",
+				Address: "mjones@machine.example",
+			},
+			messageID: "1234@local.machine.example",
+			date:      parseDate("Fri, 21 Nov 1997 09:55:06 -0600"),
+			contentType: `image/jpeg; x-unix-mode=0644; name="image.gif"`,
+			content: `GIF89a;`,
+		},
+		9: {
+			contentType: `multipart/mixed; boundary="0000000000007e2bb40587e36196"`,
+			mailData: textPlainInMultipart,
+			subject:  "Re: kern/54143 (virtualbox)",
+			from: []mail.Address{
+				{
+					Name:    "Rares",
+					Address: "rares@example.com",
+				},
+			},
+			to: []mail.Address{
+				{
+					Name:    "",
+					Address: "bugs@example.com",
+				},
+			},
+			date:       parseDate("Fri, 02 May 2019 11:25:35 +0300"),
+			textBody: `plain text part`,
+		},
+		10: {
+			mailData: rfc5322exampleA12WithTimezone,
+			from: []mail.Address{
+				{
+					Name:    "Joe Q. Public",
+					Address: "john.q.public@example.com",
+				},
+			},
+			to: []mail.Address{
+				{
+					Name:    "Mary Smith",
+					Address: "mary@x.test",
+				},
+				{
+					Name:    "",
+					Address: "jdoe@example.org",
+				},
+				{
+					Name:    "Who?",
+					Address: "one@y.test",
+				},
+			},
+			cc: []mail.Address{
+				{
+					Name:    "",
+					Address: "boss@nil.test",
+				},
+				{
+					Name:    "Giant; \"Big\" Box",
+					Address: "sysservices@example.net",
+				},
+			},
+			messageID: "5678.21-Nov-1997@example.com",
+			date:      parseDate("Tue, 01 Jul 2003 10:52:37 +0200"),
+			textBody:  `Hi everyone.`,
+		},
 	}
 
 	for index, td := range testData {
@@ -253,6 +338,19 @@
 			t.Error(err)
 		}
 
+		if td.contentType != e.ContentType {
+			t.Errorf("[Test Case %v] Wrong content type. Expected: %s, Got: %s", index, td.contentType, e.ContentType)
+		}
+
+		if td.content != "" {
+			b, err := ioutil.ReadAll(e.Content)
+			if err != nil {
+				t.Error(err)
+			} else if td.content != string(b) {
+				t.Errorf("[Test Case %v] Wrong content. Expected: %s, Got: %s", index, td.content, string(b))
+			}
+		}
+
 		if td.subject != e.Subject {
 			t.Errorf("[Test Case %v] Wrong subject. Expected: %s, Got: %s", index, td.subject, e.Subject)
 		}
@@ -583,6 +681,19 @@
 --------------C70C0458A558E585ACB75FB4--
 `
 
+var textPlainInMultipart = `From: Rares <rares@example.com>
+Date: Thu, 2 May 2019 11:25:35 +0300
+Subject: Re: kern/54143 (virtualbox)
+To: bugs@example.com
+Content-Type: multipart/mixed; boundary="0000000000007e2bb40587e36196"
+
+--0000000000007e2bb40587e36196
+Content-Type: text/plain; charset="UTF-8"
+
+plain text part
+--0000000000007e2bb40587e36196--
+`
+
 var rfc5322exampleA11 = `From: John Doe <jdoe@machine.example>
 Sender: Michael Jones <mjones@machine.example>
 To: Mary Smith <mary@example.net>
@@ -597,12 +708,22 @@
 var rfc5322exampleA12 = `From: "Joe Q. Public" <john.q.public@example.com>
 To: Mary Smith <mary@x.test>, jdoe@example.org, Who? <one@y.test>
 Cc: <boss@nil.test>, "Giant; \"Big\" Box" <sysservices@example.net>
+Date: Tue, 1 Jul 2003 10:52:37 +0200
+Message-ID: <5678.21-Nov-1997@example.com>
+
+Hi everyone.
+`
+
+var rfc5322exampleA12WithTimezone = `From: "Joe Q. Public" <john.q.public@example.com>
+To: Mary Smith <mary@x.test>, jdoe@example.org, Who? <one@y.test>
+Cc: <boss@nil.test>, "Giant; \"Big\" Box" <sysservices@example.net>
 Date: Tue, 1 Jul 2003 10:52:37 +0200 (GMT)
 Message-ID: <5678.21-Nov-1997@example.com>
 
 Hi everyone.
 `
 
+
 //todo: not yet implemented in net/mail
 //once there is support for this, add it
 var rfc5322exampleA13 = `From: Pete <pete@silly.example>
@@ -666,3 +787,16 @@
 
 This is a message just to say hello.
 So, "Hello".`
+
+var imageContentExample = `From: John Doe <jdoe@machine.example>
+Sender: Michael Jones <mjones@machine.example>
+To: Mary Smith <mary@example.net>
+Subject: Saying Hello
+Date: Fri, 21 Nov 1997 09:55:06 -0600
+Message-ID: <1234@local.machine.example>
+Content-Type: image/jpeg;
+	x-unix-mode=0644;
+	name="image.gif"
+Content-Transfer-Encoding: base64
+
+R0lGODlhAQE7`