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---
"description": "使用 Aspose.Email for Java 设置优先级和重要性标头,提升电子邮件影响力。阅读本分步指南,了解如何操作。"
"linktitle": "使用 Aspose.Email 设置优先级和重要性标题"
"second_title": "Aspose.Email Java 电子邮件管理 API"
"title": "使用 Aspose.Email 设置优先级和重要性标题"
"url": "/zh/java/customizing-email-headers/setting-priority-and-importance-headers/"
"weight": 14
date: 2026-01-22
description: 了解如何使用 Aspose.Email for Java 发送带有优先级的电子邮件并设置高优先级邮件标头。请按照本分步指南操作。
linktitle: Setting Priority and Importance Headers with Aspose.Email
second_title: Aspose.Email Java Email Management API
title: 使用 Aspose.Email 发送带有优先级和重要性标头的电子邮件
url: /zh/java/customizing-email-headers/setting-priority-and-importance-headers/
weight: 14
---

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# 使用 Aspose.Email 设置优先级和重要性标题
# 使用 Aspose.Email 发送带有优先级和重要性标头的电子邮件

## Introduction

## 介绍
在本综合指南中,您将学习 **如何使用 Aspose.Email for Java 发送带有优先级的电子邮件**。无论是发送时间紧迫的业务提案,还是仅仅想突出会议请求的紧急性,设置正确的优先级和重要性标头都能确保您的信息获得应有的关注。我们将逐步演示创建邮件、应用优先级以及通过 SMTP 服务器发送的过程。

在本指南中,我们将逐步讲解如何使用 Aspose.Email for Java 设置电子邮件的优先级和重要性标头。无论您是要发送重要的商业提案,还是只是想强调邮件的紧迫性,本教程都能满足您的需求。
## Quick Answers
- **“发送带有优先级的电子邮件” 是什么意思?** 它会添加标准的电子邮件标头(例如 *X-Priority*、*Importance*),告知邮件客户端该邮件是紧急的。
- **哪个标头设置最高紧急程度?** `MailPriority.High`(映射为 *X-Priority: 1* 和 *Importance: High*)。
- **使用 Aspose.Email 是否需要许可证?** 免费试用可用于开发;生产环境需要许可证。
- **可以在 Java 17 上使用吗?** 可以——Aspose.Email 支持 Java 8 及更高版本。
- **SMTP 是否需要 TLS?** 推荐使用;如果服务器要求,请使用 `EnableSsl = true` 配置 `SmtpClient`。

## 先决条件
## Prerequisites

在深入实施之前,请确保已满足以下先决条件
在深入代码之前,请确保您已具备

- 您的系统上安装了 Java 开发工具包 (JDK)。
- Aspose.Email for Java 库。您可以从 [这里](https://releasesaspose.com/email/java/).
- 已在机器上安装 Java Development Kit (JDK)。
- Aspose.Email for Java 库。您可以从 [here](https://releases.aspose.com/email/java/) 下载。

## 步骤 1:创建 Java 项目
## What is “send email with priority”?

首先在您首选的集成开发环境 (IDE) 中创建一个新的 Java 项目。确保已将 Aspose.Email 库添加到项目的依赖项中
发送 visibility:** 收件人可以 **Better **Professionalism:** 使用正确的标头表明您了解电子邮件标准

## 第 2 步:导入 Aspose.Email 类
## Step 1: Create a Java Project

将必要的 Aspose.Email 类导入到您的 Java 代码中。这些类将使您能够处理电子邮件并设置优先级和重要性标头。
在您喜欢的 IDE(IntelliJ、Eclipse、VS Code 等)中创建一个新的 Java 项目。将 Aspose.Email JAR 添加到项目的类路径或 Maven/Gradle 依赖中。

## Step 2: Import Aspose.Email Classes

These imports give you access to the core email‑handling classes.

```java
import com.aspose.email.*;
```

## 步骤3:创建电子邮件
## Step 3: Create an Email Message (create email message java)

要设置优先级和重要性标头,首先需要创建一封电子邮件。以下是使用 Aspose.Email 创建简单电子邮件的方法:
Now we’ll build a simple email, set the sender/receiver, and apply the priority header.

```java
// 创建新电子邮件
// Create a new email message
MailMessage message = new MailMessage();

// 设置发件人和收件人地址
// Set sender and recipient addresses
message.setFrom("sender@example.com");
message.setTo("recipient@example.com");

// 设置电子邮件的主题和正文
// Set the subject and body of the email
message.setSubject("Important Meeting");

// 添加电子邮件正文
// Add the email body
message.setHtmlBody("<p>Dear Team,</p><p>Let's have an important meeting tomorrow at 10 AM.</p>");

// 设置电子邮件优先级
// Set the email priority – this is how you **set high priority email**
message.setPriority(MailPriority.High);
```

在上面的代码中,我们创建了一封电子邮件,设置了发件人和收件人地址,指定了电子邮件的主题和正文,最后将电子邮件的优先级设置为“高”。
> **Pro tip:** `MailPriority.High` 自动添加 *X-Priority* 和 *Importance* 两个标头,覆盖大多数邮件客户端。

## Step 4: (Optional) Add Additional Headers or Attachments

## 步骤5:发送电子邮件
If you need to customize further—e.g., add a custom *X-Importance* header or attach files—use `message.getHeaders().add()` or `message.getAttachments().add()` respectively. This step is optional for the basic “send email with priority” scenario.

配置好电子邮件的优先级和重要性后,就可以发送了。Aspose.Email 也简化了电子邮件的发送流程:
## Step 5: Send the Email

Configure the SMTP client with your server details and dispatch the message.

```java
// 创建 SmtpClient 类的实例
// Create an instance of the SmtpClient class
SmtpClient client = new SmtpClient("smtp.example.com", 587, "username", "password");

// 发送电子邮件
// Send the email
client.send(message);
```

代替 `"smtp.example.com"`, `"username"`, 和 `"password"` 您的 SMTP 服务器详细信息。

## 结论
Replace `"smtp.example.com"`, `"username"`, and `"password"` with your actual SMTP credentials. If your server requires SSL/TLS, set `client.setEnableSsl(true);` before calling `send`.

在本教程中,我们探索了如何使用 Aspose.Email for Java 在电子邮件中设置优先级和重要性标头。按照以下步骤操作,您可以确保电子邮件以适当的紧急程度和重要性送达,从而改善与收件人的沟通。
## Common Issues and How to Fix Them

## 常见问题解答
| Issue | Reason | Solution |
|-------|--------|----------|
| Email arrives without priority | SMTP server strips custom headers | Verify server allows custom headers or use `client.setUseDefaultCredentials(false);` |
| Recipient sees no visual cue | Client ignores *Importance* header | Ensure you set `MailPriority.High` (adds both *X-Priority* and *Importance*) |
| Authentication failure | Wrong credentials or port | Double‑check username, password, and port (usually 587 for TLS) |

### 如何将电子邮件的优先级更改为“低”?
## Frequently Asked Questions

要将电子邮件优先级更改为“低”,只需使用 `MailPriority.Low` 设置优先级时使用枚举,如步骤3所示。
**Q: How can I change the priority of an email to “Low”?**
A: Use `message.setPriority(MailPriority.Low);` in the same way you set `High`.

### 我可以将 Aspose.Email 与其他编程语言一起使用吗?
**Q: Can I use Aspose.Email with other programming languages? more. Visit the Aspose website for the full list.

是的,Aspose.Email 支持多种编程语言,包括 .NET、Python 和 Android。您可以在 Aspose 网站上找到相关的库。
**Q: Is it possible to set both priority and importance for an email?**
A: Absolutely. The `MailPriority` enum sets both headers simultaneously, ensuring maximum compatibility: Are there any limitations to email importance headers?**
A: Some email clients may ignore them or apply their own rules. Always test with the target client.

### 是否可以为电子邮件设置优先级和重要性?
**Q: How do I handle email attachments with Aspose.Email?**
A: Use the `Attachment` class, e.g., `message.getAttachments().addItem(new Attachment("file.pdf"));`. See the Aspose.Email documentation to **set high priority email** Incorporating priority and importance headers can dramatically improve the visibility of critical communications, making your applications more effective and professional.

当然!您可以设置优先级和重要性标题,以调整邮件的紧急程度和重要性。

### 电子邮件重要性标题有任何限制吗?

虽然您可以设置重要性标题,但请记住,对收件人收件箱的实际影响可能因他们的电子邮件客户端而异。

### 如何使用 Aspose.Email 处理电子邮件附件?
---

使用 Aspose.Email 处理电子邮件附件非常简单。您可以使用 `Attachment` 类用于将附件添加到您的电子邮件中。有关详细指南,请参阅 Aspose.Email 文档。
**Last Updated:** 2026-01-22
**Tested With:** Aspose.Email for Java 23.12
**Author:** Aspose

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---
title: Setting Priority and Importance Headers with Aspose.Email
title: "Send Email with Priority and Importance Headers using Aspose.Email"
linktitle: Setting Priority and Importance Headers with Aspose.Email
second_title: Aspose.Email Java Email Management API
description: Boost your email impact by setting priority and importance headers with Aspose.Email for Java. Learn how in this step-by-step guide.
description: "Learn how to send email with priority and set high priority email headers using Aspose.Email for Java. Follow this step‑by‑step guide."
weight: 14
url: /java/customizing-email-headers/setting-priority-and-importance-headers/
date: 2026-01-22
---

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# Setting Priority and Importance Headers with Aspose.Email

# Send Email with Priority and Importance Headers using Aspose.Email

## Introduction

In this comprehensive guide, we will walk you through the steps of using Aspose.Email for Java to set priority and importance headers in your emails. Whether you're sending important business proposals or simply want to emphasize the urgency of your message, this tutorial has got you covered.
In this comprehensive guide, you’ll learn **how to send email with priority** using Aspose.Email for Java. Whether you’re delivering a time‑critical business proposal or simply want to highlight the urgency of a meeting request, setting the right priority and importance headers ensures your message gets the attention it deserves. We'll walk through creating the message, applying the priority, and sending it through an SMTP server.

## Quick Answers
- **What does “send email with priority” mean?** It adds standard email headers (e.g., *X-Priority*, *Importance*) that tell email clients the message is urgent.
- **Which header sets the highest urgency?** `MailPriority.High` (maps to *X-Priority: 1* and *Importance: High*).
- **Do I need a license to use Aspose.Email?** A free trial works for development; a license is required for production.
- **Can I use this with Java 17?** Yes – Aspose.Email supports Java 8 and later.
- **Is TLS required for SMTP?** It’s recommended; configure `SmtpClient` with `EnableSsl = true` if your server requires it.

## Prerequisites

Before diving into the implementation, make sure you have the following prerequisites in place:
Before diving into the code, ensure you have:

- Java Development Kit (JDK) installed on your machine.
- Aspose.Email for Java library. You can download it from [here](https://releases.aspose.com/email/java/).

## What is “send email with priority”?

Sending an email with priority means adding specific MIME headers that signal urgency to the recipient’s email client. Most clients display a visual cue (e.g., a red exclamation mark) when they detect high‑priority or high‑importance headers.

## Why set a high priority email?

- Java Development Kit (JDK) installed on your system.
- Aspose.Email for Java library. You can download it from [here](https://releases.aspose.com/email/java/).
- **Improved visibility:** Recipients can quickly spot urgent messages.
- **Better workflow:** Critical alerts (system failures, meeting changes) are less likely to be missed.
- **Professionalism:** Using the correct headers shows you understand email standards.

## Step 1: Create a Java Project

Start by creating a new Java project in your preferred Integrated Development Environment (IDE). Ensure that you have added the Aspose.Email library to your project's dependencies.
Start a new Java project in your favorite IDE (IntelliJ, Eclipse, VS Code, etc.). Add the Aspose.Email JAR to your project’s classpath or Maven/Gradle dependencies.

## Step 2: Import Aspose.Email Classes

Import the necessary Aspose.Email classes into your Java code. These classes will enable you to work with email messages and set priority and importance headers.
These imports give you access to the core email‑handling classes.

```java
import com.aspose.email.*;
```

## Step 3: Create an Email Message
## Step 3: Create an Email Message (create email message java)

To set priority and importance headers, you first need to create an email message. Here's how you can create a simple email message using Aspose.Email:
Now we’ll build a simple email, set the sender/receiver, and apply the priority header.

```java
// Create a new email message
Expand All @@ -57,15 +74,19 @@ message.setSubject("Important Meeting");
// Add the email body
message.setHtmlBody("<p>Dear Team,</p><p>Let's have an important meeting tomorrow at 10 AM.</p>");

// Set the email priority
// Set the email priority – this is how you **set high priority email**
message.setPriority(MailPriority.High);
```

In the code above, we've created an email message, set the sender and recipient addresses, specified the subject and body of the email, and finally, set the email's priority to "High."
> **Pro tip:** `MailPriority.High` automatically adds both *X-Priority* and *Importance* headers, covering the majority of email clients.

## Step 4: (Optional) Add Additional Headers or Attachments

If you need to customize further—e.g., add a custom *X-Importance* header or attach files—use `message.getHeaders().add()` or `message.getAttachments().add()` respectively. This step is optional for the basic “send email with priority” scenario.

## Step 5: Send the Email

Once you've configured the email message with the desired priority and importance, it's time to send it. Aspose.Email simplifies the email sending process as well:
Configure the SMTP client with your server details and dispatch the message.

```java
// Create an instance of the SmtpClient class
Expand All @@ -75,38 +96,47 @@ SmtpClient client = new SmtpClient("smtp.example.com", 587, "username", "passwor
client.send(message);
```

Replace `"smtp.example.com"`, `"username"`, and `"password"` with your SMTP server details.

## Conclusion
Replace `"smtp.example.com"`, `"username"`, and `"password"` with your actual SMTP credentials. If your server requires SSL/TLS, set `client.setEnableSsl(true);` before calling `send`.

In this tutorial, we've explored how to use Aspose.Email for Java to set priority and importance headers in your email messages. By following these steps, you can ensure that your emails are delivered with the right level of urgency and importance, improving communication with your recipients.
## Common Issues and How to Fix Them

## FAQs
| Issue | Reason | Solution |
|-------|--------|----------|
| Email arrives without priority | SMTP server strips custom headers | Verify server allows custom headers or use `client.setUseDefaultCredentials(false);` |
| Recipient sees no visual cue | Client ignores *Importance* header | Ensure you set `MailPriority.High` (adds both *X-Priority* and *Importance*) |
| Authentication failure | Wrong credentials or port | Double‑check username, password, and port (usually 587 for TLS) |

### How can I change the priority of an email to "Low"?
## Frequently Asked Questions

To change the email priority to "Low," simply use the `MailPriority.Low` enum when setting the priority, as shown in Step 3.
**Q: How can I change the priority of an email to “Low”?**
A: Use `message.setPriority(MailPriority.Low);` in the same way you set `High`.

### Can I use Aspose.Email with other programming languages?
**Q: Can I use Aspose.Email with other programming languages?**
A: Yes. Aspose.Email is available for .NET, Python, Android, and more. Visit the Aspose website for the full list.

Yes, Aspose.Email is available for various programming languages, including .NET, Python, and Android. You can find the relevant libraries on the Aspose website.
**Q: Is it possible to set both priority and importance for an email?**
A: Absolutely. The `MailPriority` enum sets both headers simultaneously, ensuring maximum compatibility.

### Is it possible to set both priority and importance for an email?
**Q: Are there any limitations to email importance headers?**
A: Some email clients may ignore them or apply their own rules. Always test with the target client.

Absolutely! You can set both the priority and importance headers to tailor your message's urgency and significance.
**Q: How do I handle email attachments with Aspose.Email?**
A: Use the `Attachment` class, e.g., `message.getAttachments().addItem(new Attachment("file.pdf"));`. See the Aspose.Email documentation for advanced scenarios.

### Are there any limitations to email importance headers?
## Conclusion

While you can set importance headers, keep in mind that the actual impact on the recipient's inbox may vary depending on their email client.
By following these steps, you now know **how to send email with priority** and how to **set high priority email** headers using Aspose.Email for Java. Incorporating priority and importance headers can dramatically improve the visibility of critical communications, making your applications more effective and professional.

### How do I handle email attachments with Aspose.Email?
---

Handling email attachments with Aspose.Email is straightforward. You can use the `Attachment` class to add attachments to your email messages. For a detailed guide, refer to the Aspose.Email documentation.
**Last Updated:** 2026-01-22
**Tested With:** Aspose.Email for Java 23.12
**Author:** Aspose

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