Attempt to improve unsent mail

package.json

@@ -11,6 +11,7 @@
   },
   "dependencies": {
     "@next-auth/mongodb-adapter": "1.0.3",
+    "@sendgrid/mail": "^7.7.0",
     "autoprefixer": "10.4.7",
     "classnames": "2.3.1",
     "date-fns": "2.28.0",
@@ -22,7 +23,6 @@
     "next-auth": "4.6.1",
     "next-mdx-remote": "4.0.3",
     "nodemailer": "6.7.5",
-    "p-retry": "5.1.1",
     "react": "18.2.0",
     "react-calendar": "3.7.0",
     "react-dom": "18.2.0",