diff --git a/cmd/web/frontend/src/pages/Dashboard/ConfigurationPage/index.tsx b/cmd/web/frontend/src/pages/Dashboard/ConfigurationPage/index.tsx
index 92a96b6..4038127 100644
--- a/cmd/web/frontend/src/pages/Dashboard/ConfigurationPage/index.tsx
+++ b/cmd/web/frontend/src/pages/Dashboard/ConfigurationPage/index.tsx
@@ -40,7 +40,7 @@ const kekTypeOptions = [
 
 const emailTypeOptions = [
   { value: "smtp", label: "SMTP" },
-  { value: "mailerSend", label: "Mailer Send" },
+  { value: "mailersend", label: "Mailersend" },
 ];
 
 const colourStyles: StylesConfig = {
@@ -126,9 +126,6 @@ const ConfigurationPage = () => {
         Username: "",
         Password: "",
       },
-      MailerSend: {
-        ApiKey: "",
-      },
     },
     Stat: {
       KekType: kekTypeOptions[0],
@@ -364,7 +361,7 @@ const ConfigurationPage = () => {
                       </Form.Group>
                     </Col>
                   </Row>
-                  {values.Email.EmailType.value === "smtp" ? (
+                  {values.Email.EmailType.value === "smtp" && (
                     <>
                       <Row>
                         <Col md={6}>
@@ -419,21 +416,6 @@ const ConfigurationPage = () => {
                         </Col>
                       </Row>
                     </>
-                  ) : (
-                    <Row>
-                      <Col md={12}>
-                        <Form.Group className="mb-3">
-                          <Form.Label>API Key</Form.Label>
-                          <Form.Control
-                            type="text"
-                            placeholder="MAILERSEND_API_KEY"
-                            name="Email.MailerSend.ApiKey"
-                            value={values.Email.MailerSend.ApiKey}
-                            onChange={handleChange}
-                          />
-                        </Form.Group>
-                      </Col>
-                    </Row>
                   )}
                   <Row>
                     <Col md={12} lg={6}>
diff --git a/config/config.go b/config/config.go
index 3776a28..547a2bc 100644
--- a/config/config.go
+++ b/config/config.go
@@ -41,7 +41,7 @@ func LoadDefaultConf() error {
 			Token:         "EST6315eb22-5c76-4d47-9b75-1acb4a954070ARY",
 		},
 		Email: types.EmailStat{
-			EmailType: "smtp",
+			EmailType: "mailersend",
 			From:      "contact@encloud.tech",
 			SMTP: types.SectionSMTP{
 				Server:   "sandbox.smtp.mailtrap.io",
@@ -49,9 +49,6 @@ func LoadDefaultConf() error {
 				Username: "ac984e52bfd35d",
 				Password: "861b495c076713",
 			},
-			MailerSend: types.SectionMailerSend{
-				ApiKey: "MAILERSEND_API_KEY",
-			},
 		},
 		Stat: types.SectionStat{
 			KekType:     "ecies",
diff --git a/pkg/api/share.go b/pkg/api/share.go
index c8ed6c9..00cae3c 100644
--- a/pkg/api/share.go
+++ b/pkg/api/share.go
@@ -43,7 +43,7 @@ func Share(uuid string, kek string, privateKey string, email string) (types.File
 
 	subject := "Share content"
 	r := service.NewRequest([]string{email}, subject, cfg)
-	if sent := r.Send(fileMetaData.Cid[0], fileMetaData.DekType, fileMetaData.Timestamp, cfg.Email.EmailType, cfg.Email.MailerSend.ApiKey); sent {
+	if sent := r.Send(fileMetaData.Cid[0], fileMetaData.DekType, fileMetaData.Timestamp, cfg.Email.EmailType); sent {
 		os.Remove(config.Assets + "/" + fmt.Sprint(fileMetaData.Timestamp) + "_dek.txt")
 		return fileMetaData, nil
 	} else {
diff --git a/pkg/service/email.go b/pkg/service/email.go
index 0c19f26..2509877 100644
--- a/pkg/service/email.go
+++ b/pkg/service/email.go
@@ -87,10 +87,10 @@ func (r *Request) sendSMTPMail(cid string, dekType string, timestamp int64) bool
 	return true
 }
 
-func (r *Request) sendMailerSendMail(cid string, dekType string, timestamp int64, apiKey string) bool {
+func (r *Request) sendMailerSendMail(cid string, dekType string, timestamp int64) bool {
 	log.Println("config", r.config)
 	// Create an instance of the mailersend client
-	ms := mailersend.NewMailersend(apiKey)
+	ms := mailersend.NewMailersend(os.Getenv("MAILERSEND_API_KEY"))
 
 	ctx := context.Background()
 	ctx, cancel := context.WithTimeout(ctx, 5*time.Second)
@@ -140,10 +140,10 @@ func (r *Request) sendMailerSendMail(cid string, dekType string, timestamp int64
 	return true
 }
 
-func (r *Request) Send(cid string, dekType string, timestamp int64, emailType string, apiKey string) bool {
+func (r *Request) Send(cid string, dekType string, timestamp int64, emailType string) bool {
 	if emailType == "smtp" {
 		return r.sendSMTPMail(cid, dekType, timestamp)
 	} else {
-		return r.sendMailerSendMail(cid, dekType, timestamp, apiKey)
+		return r.sendMailerSendMail(cid, dekType, timestamp)
 	}
 }
diff --git a/pkg/types/types.go b/pkg/types/types.go
index 6f3325c..639257e 100644
--- a/pkg/types/types.go
+++ b/pkg/types/types.go
@@ -18,10 +18,9 @@ type SectionEstuary struct {
 
 // EmailStat is sub section of config.
 type EmailStat struct {
-	EmailType  string            `yaml:"emailType"`
-	From       string            `yaml:"from"`
-	SMTP       SectionSMTP       `yaml:"smtp"`
-	MailerSend SectionMailerSend `yaml:"mailerSend"`
+	EmailType string      `yaml:"emailType"`
+	From      string      `yaml:"from"`
+	SMTP      SectionSMTP `yaml:"smtp"`
 }
 
 type SectionSMTP struct {
@@ -31,10 +30,6 @@ type SectionSMTP struct {
 	Password string `yaml:"password"`
 }
 
-type SectionMailerSend struct {
-	ApiKey string `yaml:"apiKey"`
-}
-
 // SectionStat is sub section of config.
 type SectionStat struct {
 	BadgerDB    SectionBadgerDB  `yaml:"badgerdb"`