diff --git a/README.md b/README.md
index 2d8736c..15ece8f 100644
--- a/README.md
+++ b/README.md
@@ -133,6 +133,8 @@ smtp:
       - to@email.com
     smtp_format: "{{data}}"
     subject: "Email subject"
+    smtp_html: false
+    smtp_disable_starttls: false
 
 googlechat:
   - id: "gc"
diff --git a/pkg/providers/smtp/smtp.go b/pkg/providers/smtp/smtp.go
index 5492dcb..a722cd4 100644
--- a/pkg/providers/smtp/smtp.go
+++ b/pkg/providers/smtp/smtp.go
@@ -2,6 +2,7 @@ package smtp
 
 import (
 	"fmt"
+	"strconv"
 	"strings"
 
 	"github.com/containrrr/shoutrrr"
@@ -19,14 +20,16 @@ type Provider struct {
 }
 
 type Options struct {
-	ID          string   `yaml:"id,omitempty"`
-	Server      string   `yaml:"smtp_server,omitempty"`
-	Username    string   `yaml:"smtp_username,omitempty"`
-	Password    string   `yaml:"smtp_password,omitempty"`
-	FromAddress string   `yaml:"from_address,omitempty"`
-	SMTPCC      []string `yaml:"smtp_cc,omitempty"`
-	SMTPFormat  string   `yaml:"smtp_format,omitempty"`
-	Subject     string   `yaml:"subject,omitempty"`
+	ID              string   `yaml:"id,omitempty"`
+	Server          string   `yaml:"smtp_server,omitempty"`
+	Username        string   `yaml:"smtp_username,omitempty"`
+	Password        string   `yaml:"smtp_password,omitempty"`
+	FromAddress     string   `yaml:"from_address,omitempty"`
+	SMTPCC          []string `yaml:"smtp_cc,omitempty"`
+	SMTPFormat      string   `yaml:"smtp_format,omitempty"`
+	Subject         string   `yaml:"subject,omitempty"`
+	HTML            bool     `yaml:"smtp_html,omitempty"`
+	DisableStartTLS bool     `yaml:"smtp_disable_starttls,omitempty"`
 }
 
 func New(options []*Options, ids []string) (*Provider, error) {
@@ -48,8 +51,10 @@ func (p *Provider) Send(message, CliFormat string) error {
 	p.counter++
 	for _, pr := range p.SMTP {
 		msg := utils.FormatMessage(message, utils.SelectFormat(CliFormat, pr.SMTPFormat), p.counter)
-
-		url := fmt.Sprintf("smtp://%s:%s@%s/?fromAddress=%s&toAddresses=%s&subject=%s", pr.Username, pr.Password, pr.Server, pr.FromAddress, strings.Join(pr.SMTPCC, ","), pr.Subject)
+		url := fmt.Sprintf(
+			"smtp://%s:%s@%s/?fromAddress=%s&toAddresses=%s&subject=%s&UseHTML=%s&UseStartTLS=%s",
+			pr.Username, pr.Password, pr.Server, pr.FromAddress, strings.Join(pr.SMTPCC, ","), pr.Subject, strconv.FormatBool(pr.HTML), strconv.FormatBool(!pr.DisableStartTLS),
+		)
 		err := shoutrrr.Send(url, msg)
 		if err != nil {
 			err = errors.Wrap(err, fmt.Sprintf("failed to send smtp notification for id: %s ", pr.ID))