diff --git a/server/example.env b/server/example.env
index 37d99230..0f826844 100644
--- a/server/example.env
+++ b/server/example.env
@@ -34,4 +34,6 @@ PERSISTENT_ALIAS="alias12@dev.ptorx.com"
 
 SMTP_SERVER_OPTIONS={"banner":"dev.ptorx.com","name":"dev.ptorx.com","size":25000000}
 
-MAIL_CACHE_DIRECTORY="/home/travis/build/xyfir/ptorx/mail-cache"
\ No newline at end of file
+MAIL_CACHE_DIRECTORY="/home/travis/build/xyfir/ptorx/mail-cache"
+
+SENDMAIL_PATH=sendmail
\ No newline at end of file
diff --git a/server/lib/mail/send.ts b/server/lib/mail/send.ts
index bb7b8f55..f1fbe70c 100644
--- a/server/lib/mail/send.ts
+++ b/server/lib/mail/send.ts
@@ -12,7 +12,7 @@ const transporter =
       })
     : createTransport({
         sendmail: true,
-        path: '/usr/sbin/sendmail'
+        path: process.enve.SENDMAIL_PATH || 'sendmail'
       });
 
 export async function sendMail(
diff --git a/types/ptorx.d.ts b/types/ptorx.d.ts
index e7356566..4085fd3f 100644
--- a/types/ptorx.d.ts
+++ b/types/ptorx.d.ts
@@ -299,6 +299,11 @@ export namespace Ptorx {
        * @example "/path/to/mail-cache"
        */
       MAIL_CACHE_DIRECTORY: string;
+	  /**
+	   * Absolute path of sendmail command for outgoing mails.
+	   * @example "/usr/sbin/sendmail"
+	   */
+	  SENDMAIL_PATH: string;	   
     }
 
     export interface Web extends Ptorx.Env.Common {