Best Email Tools to Buy in November 2025

1

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7

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8

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$29.99

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ONE MORE?

To send emails via Gmail from Dart, you can use the mailer package. Here are the steps to achieve this:

1. Set up your Dart project by creating a new Dart file and importing the necessary packages. import 'package:mailer/mailer.dart'; import 'package:mailer/smtp_server.dart';
2. Create a function to send the email with the necessary details, including the recipient email, subject, and body. Future sendEmail(String recipientEmail, String subject, String body) async { final smtpServer = gmail("", ""); final message = Message() ..from = Address("", "") ..recipients.add(recipientEmail) ..subject = subject ..text = body; try { final sendReport = await send(message, smtpServer); print('Message sent: ${sendReport.sent}'); } catch (e) { print('Error sending email: $e'); } }
3. Replace and with your Gmail credentials. Make sure to enable "Less Secure Apps" to allow the email sending.
4. Call the sendEmail() function wherever you want to send an email and pass the recipient's email, subject, and body as arguments. void main() { sendEmail("recipient@example.com", "Hello", "This is the email body!"); }

This setup will allow you to send emails via Gmail from a Dart application using the mailer package.

How to authenticate Gmail API access from Dart?

To authenticate Gmail API access from Dart, you can follow the steps below:

1. Create a new Dart project and set up the necessary dependencies for making HTTP requests. You can use the http package for this.
2. Go to the Google Cloud Console (https://console.cloud.google.com) and create a new project.
3. Enable the Gmail API for your project. Go to the API & Services Dashboard, click on "Enable APIs and Services", and search for "Gmail API". Click on it and enable it for your project.
4. Create credentials for your project. Go to the API & Services Dashboard, click on "Credentials" in the left menu, and then click on "Create Credentials". Select "OAuth client ID" and choose "Desktop app" as the application type. Give a name to your OAuth client ID and click on "Create". You will get a client ID and client secret.
5. Save the client ID and client secret in a secure location. You will use these during the authentication process.
6. Install the googleapis_auth package by adding it to your pubspec.yaml file:

dependencies: googleapis_auth: ^2.0.0

1. Import the necessary packages in your Dart code:

import 'package:googleapis_auth/auth_io.dart' as auth; import 'package:http/http.dart' as http;

1. Use the client ID and client secret to obtain a refresh token. This refresh token can be used to obtain an access token for making API requests. You can use the following code snippet:

var clientId = 'YOUR_CLIENT_ID'; var clientSecret = 'YOUR_CLIENT_SECRET'; var scopes = [auth.gmailGmailApiScope];

var client = await auth.clientViaUserConsent( auth.ClientId(clientId, clientSecret), scopes, (url) { print('Please go to the following URL and grant access:'); print(url); }, );

var accessToken = await client.credentials.accessToken; var refreshToken = client.credentials.refreshToken;

print('Access Token: $accessToken'); print('Refresh Token: $refreshToken');

1. Once you have obtained the access token and refresh token, you can use them to authenticate your requests to the Gmail API. You can include the access token in the Authorization header of your HTTP requests. Here's an example of how to make a request to list the user's Gmail labels:

var response = await http.get( 'https://gmail.googleapis.com/gmail/v1/users/me/labels', headers: {'Authorization': 'Bearer $accessToken'}, );

print(response.body);

Remember to handle token expiration by using the refresh token to obtain a new access token when needed.

That's it! You have successfully authenticated Gmail API access from Dart.

How to handle email threading and linking conversations when sending from Dart using Gmail?

To handle email threading and linking conversations when sending emails from Dart using Gmail, you can follow these steps:

1. Use the Dart mailer package to send emails. You can add it as a dependency in your pubspec.yaml file.

2. Set the In-Reply-To and References headers in the email. These headers allow Gmail and other email clients to understand the thread and link the conversation. Generate a Message-Id using a library or by creating a unique ID string manually. import 'dart:math'; String generateMessageId() { final random = Random(); final currentTime = DateTime.now().microsecondsSinceEpoch; final randomNum = random.nextInt(99999999); return '$currentTime.randomNum@your-domain.com'; // replace "your-domain.com" with your actual domain } Set the In-Reply-To header with the Message-Id of the original email you are replying to. final originalMessageId = ''; final threadId = generateMessageId(); final message = Message() ..inReplyTo = originalMessageId ..references = [originalMessageId] ..id = threadId ..from = Address('your-email@gmail.com', 'Your Name') ..recipients.add('recipient@example.com') ..subject = 'Re: [Previous email subject]' ..text = 'Hello,' ..html = '

   Hello,

   This is the reply to your email.

   ';

3. After sending the email, Gmail should automatically recognize the In-Reply-To and References headers and thread the email appropriately in the recipient's Gmail inbox.

By setting these headers correctly, Gmail will associate your Dart-sent email with the proper thread and link the conversations together.

How to attach files to emails sent from Dart using Gmail?

To attach files to emails sent from Dart using Gmail, you can follow these steps:

1. First, make sure you have the necessary email libraries imported in your Dart project. You can use the mailer package for sending emails. Add the following line to your pubspec.yaml file to import the mailer package: dependencies: mailer: ^4.0.0
2. Import the necessary packages in your Dart file: import 'package:mailer/mailer.dart'; import 'package:mailer/smtp_server.dart';
3. Set up the SMTP server configuration for Gmail. Create a SmtpServer object with your Gmail credentials: final smtpServer = gmail('your_email', 'your_password'); // Replace 'your_email' with your Gmail email address and 'your_password' with your Gmail password or an app-specific password.
4. Compose your email. Create a Message object with the necessary email details: final message = Message() ..from = Address('your_email') ..recipients.add('recipient_email') ..subject = 'Email subject' ..text = 'Email body' ..attachments.add(FileAttachment(File('path_to_attachment'))); // Replace 'your_email' with your Gmail email address, 'recipient_email' with the recipient's email address, and 'path_to_attachment' with the file path of the attachment.
5. Send the email using the send() method of the mailer: try { final sendReport = await send(message, smtpServer); print('Email sent: ${sendReport.sent}'); } catch (e) { print('Error sending email: $e'); }
6. Replace the file path with your attachment's actual path. The example assumes you have a file called attachment.pdf in the same directory as your Dart file.
7. Run your Dart code, and the email with the attached file will be sent through Gmail.

Note: Make sure to enable access to your Gmail account for less secure apps or generate an app-specific password if you have two-factor authentication enabled.

What is the best technique for tracking email open rates when using Gmail from Dart?

The best technique for tracking email open rates when using Gmail from Dart is to embed a tracking pixel in the email. A tracking pixel is a tiny, transparent image that is loaded from a remote server when the email is opened. By embedding this pixel in the content of the email, you can track when and how often it is loaded, indicating that the email has been opened.

To implement this technique in Dart, you can use an HTML email template and include an <img> tag with the source URL pointing to your tracking server. When the email is opened, the server logs the request, allowing you to measure the open rates.

Here's an example implementation in Dart:

import 'dart:html';

void main() { sendEmail();

// Include the tracking pixel in the email final trackingPixel = ImageElement() ..src = 'https://your-tracking-server.com/tracking-pixel.gif';

// Append the pixel to the email's content final emailContent = DivElement() ..appendText('Hello, this is the email content.') ..append(trackingPixel);

// Send the email with the tracking pixel embedded ... // Code to send the email through Gmail }

void sendEmail() { // Code to send an email through Gmail // ... }

Make sure to replace 'https://your-tracking-server.com/tracking-pixel.gif' with the URL to your actual tracking pixel. Additionally, set up your tracking server to log the requests containing the pixel URL to measure the open rates accurately.

Remember to comply with privacy regulations and obtain necessary consent from recipients regarding email tracking.

How to handle HTML formatting and inline images in emails sent from Dart using Gmail?

To handle HTML formatting and inline images in emails sent from Dart using Gmail, you can utilize the package:mailer to send emails with HTML content and embed inline images. Here is an example demonstrating how to achieve this:

1. Add the mailer package to your pubspec.yaml file:

dependencies: mailer: ^4.0.0

1. Import the necessary packages:

import 'package:mailer/mailer.dart'; import 'package:mailer/smtp_server.dart';

1. Define a function to send the email:

Future sendEmail() async { // Configure the SMTP server settings final smtpServer = gmail('your-email@gmail.com', 'your-password');

// Create a new SMTP client final smtpClient = SmtpServer(smtpServer);

// Define the email content with HTML and inline image final htmlContent = ''' Hello, World! This is an example email with HTML formatting and inline image. Inline image: ''';

// Create a new message final message = Message() ..from = Address('your-email@gmail.com') ..recipients.add('recipient-email@example.com') ..subject = 'Example Email with HTML and Inline Image' ..html = htmlContent;

// Attach the inline image final image = FileAttachment(File('path/to/your/image.jpg')); image.cid = 'imageId'; // imageId should match the 'src' attribute in the HTML

message.attachments.add(image);

try { // Send the email final sendReport = await send(message, smtpClient); print('Message sent: ${sendReport.sent}'); } catch (e) { print('Error occurred while sending email: $e'); } }

1. Call the sendEmail function to send the email:

void main() { sendEmail(); }

Make sure to replace 'your-email@gmail.com' with your Gmail email and 'your-password' with your Gmail password. Also, update the recipient's email address and the path to the image file in the FileAttachment constructor to match your needs.

Note: Enabling "less secure apps" access may be required for Gmail accounts.