fix(core): update

ts/mta/mta.classes.email.ts

@@ -0,0 +1,36 @@
+export interface IAttachment {
+  filename: string;
+  content: Buffer;
+  contentType: string;
+}
+
+export interface IEmailOptions {
+  from: string;
+  to: string;
+  subject: string;
+  text: string;
+  attachments: IAttachment[];
+  mightBeSpam?: boolean;
+}
+
+export class Email {
+  from: string;
+  to: string;
+  subject: string;
+  text: string;
+  attachments: IAttachment[];
+  mightBeSpam: boolean;
+
+  constructor(options: IEmailOptions) {
+    this.from = options.from;
+    this.to = options.to;
+    this.subject = options.subject;
+    this.text = options.text;
+    this.attachments = options.attachments;
+    this.mightBeSpam = options.mightBeSpam || false;
+  }
+
+  public getFromDomain() {
+    return this.from.split('@')[1]
+  }
+}