邮箱客户端实现 该Python代码实现了一个2925.com邮箱客户端类，主要功能包括： 发送邮件： 支持纯文本和HTML格式邮件 使用SMTP_SSL协议通过465端口发送 包含发件人、收件人和主题设置 接收邮件： 通过IMAP4_SSL协议从993端口获取 提供两种获取方式：UID命令（更可靠）和序号获取（备用） 解析邮件主题、发件人、日期和正文内容 支持限制获取邮件数量 其他特性： 邮件正文预览功能（截取前200字符） 完善的错误处理和日志输出 支持中文字符解码 该客户端类封装了完整的
python
import smtplib
import imaplib
import email
from email.mime.text import MIMEText
from email.mime.multipart import MIMEMultipart
from email.header import decode_header
import os
class EmailClient2925:
def __init__(self, email_address, password):
"""
初始化2925.com邮箱客户端
参数：
email_address: 邮箱地址
password: 邮箱密码
"""
self.email_address = email_address
self.password = password
# 2925.com服务器配置
self.smtp_server = "smtp.2925.com"
self.smtp_port = 465 # SSL端口 465
self.imap_server = "imap.2925.com"
self.imap_port = 993
def send_email(self, to_email, subject, body, is_html=False):
"""
发送邮件
参数：
to_email: 收件人邮箱
subject: 邮件主题
body: 邮件正文
is_html: 是否为HTML格式
"""
try:
# 创建邮件
msg = MIMEMultipart()
msg['From'] = self.email_address
msg['To'] = to_email
msg['Subject'] = subject
# 添加邮件正文
if is_html:
msg.attach(MIMEText(body, 'html'))
else:
msg.attach(MIMEText(body, 'plain'))
# 连接SMTP服务器并发送
print(f"正在连接到SMTP服务器: {self.smtp_server}:{self.smtp_port}")
# 使用SSL连接
server = smtplib.SMTP_SSL(self.smtp_server, self.smtp_port)
server.login(self.email_address, self.password)
server.send_message(msg)
server.quit()
print(f"邮件发送成功！收件人: {to_email}")
return True
except Exception as e:
print(f"发送邮件失败: {str(e)}")
return False
def receive_emails(self, limit=10):
"""
接收邮件 - 改进版本，使用UID命令避免SEARCH命令问题
参数：
limit: 最多获取的邮件数量
"""
emails = []
try:
print(f"正在连接到IMAP服务器: {self.imap_server}:{self.imap_port}")
# 连接到IMAP服务器
mail = imaplib.IMAP4_SSL(self.imap_server, self.imap_port)
mail.login(self.email_address, self.password)
# 选择收件箱
status, select_info = mail.select('INBOX')
if status != 'OK':
print(f"选择收件箱失败: {select_info}")
return []
# 获取邮件总数
total_msgs = int(select_info[0].decode())
print(f"收件箱中共有 {total_msgs} 封邮件")
if total_msgs == 0:
print("收件箱为空")
mail.logout()
return []
# 方法1: 使用UID命令获取邮件（更可靠）
print("尝试使用UID命令获取邮件...")
# 先获取所有邮件的UID
status, uid_data = mail.uid('SEARCH', None, 'ALL')
if status != 'OK' or not uid_data[0]:
print("UID SEARCH失败，尝试方法2...")
# 方法2: 直接按序号获取邮件
return self._receive_by_sequence(mail, total_msgs, limit)
# 获取UID列表
uids = uid_data[0].split()
print(f"找到 {len(uids)} 封邮件的UID")
# 反转列表，获取最新的邮件
uids = uids[::-1]
# 限制获取数量
uids = uids[:limit]
for i, uid in enumerate(uids):
try:
# 使用UID获取邮件
status, msg_data = mail.uid('FETCH', uid, '(RFC822)')
if status == 'OK' and msg_data[0] is not None:
# 解析邮件
if isinstance(msg_data[0], tuple):
raw_email = msg_data[0][1]
else:
raw_email = msg_data[0]
msg = email.message_from_bytes(raw_email)
# 解码主题
subject = "无主题"
if msg["Subject"]:
subject_info = decode_header(msg["Subject"])[0]
subject_text = subject_info[0]
encoding = subject_info[1]
if isinstance(subject_text, bytes):
subject = subject_text.decode(encoding if encoding else 'utf-8', errors='ignore')
else:
subject = str(subject_text)
# 获取发件人
from_ = msg.get("From", "未知发件人")
# 获取日期
date_ = msg.get("Date", "未知日期")
# 获取邮件正文
body = self._extract_email_body(msg)
emails.append({
'id': i + 1,
'uid': uid.decode(),
'subject': subject,
'from': from_,
'date': date_,
'body': body,
'body_preview': body[:200] + "..." if len(body) > 200 else body
})
print(f"邮件 {i + 1}:")
print(f" UID: {uid.decode()}")
print(f" 主题: {subject}")
print(f" 发件人: {from_}")
print(f" 日期: {date_}")
print(f" 预览: {body[:100]}...")
print("-" * 50)
else:
print(f"获取邮件UID {uid} 失败")
except Exception as e:
print(f"处理邮件UID {uid} 时出错: {str(e)}")
continue
# 关闭连接
mail.close()
mail.logout()
except imaplib.IMAP4.error as e:
print(f"IMAP协议错误: {str(e)}")
# 如果UID命令也失败，尝试最基本的FETCH方法
return self._try_basic_fetch()
except Exception as e:
print(f"接收邮件失败: {str(e)}")
return emails
def _receive_by_sequence(self, mail, total_msgs, limit):
"""方法2: 按序号直接获取邮件"""
emails = []
# 计算起始和结束位置
start = max(1, total_msgs - limit + 1)
for seq_num in range(total_msgs, start - 1, -1):
try:
status, msg_data = mail.fetch(str(seq_num).encode(), '(RFC822)')
if status == 'OK' and msg_data[0] is not None:
if isinstance(msg_data[0], tuple):
raw_email = msg_data[0][1]
else:
raw_email = msg_data[0]
msg = email.message_from_bytes(raw_email)
# 解码主题
subject = "无主题"
if msg["Subject"]:
subject_info = decode_header(msg["Subject"])[0]
subject_text = subject_info[0]
encoding = subject_info[1]
if isinstance(subject_text, bytes):
subject = subject_text.decode(encoding if encoding else 'utf-8', errors='ignore')
else:
subject = str(subject_text)
# 获取邮件正文
body = self._extract_email_body(msg)
emails.append({
'id': total_msgs - seq_num + 1,
'seq': seq_num,
'subject': subject,
'from': msg.get("From", "未知发件人"),
'date': msg.get("Date", "未知日期"),
'body_preview': body[:200] + "..." if len(body) > 200 else body
})
print(f"邮件 {total_msgs - seq_num + 1} (序号:{seq_num}): {subject}")
except Exception as e:
print(f"处理邮件序号 {seq_num} 时出错: {str(e)}")
continue
mail.logout()
return emails
def _extract_email_body(self, msg):
"""提取邮件正文内容"""
body = ""
if msg.is_multipart():
for part in msg.walk():
content_type = part.get_content_type()
content_disposition = str(part.get("Content-Disposition"))
# 跳过附件
if "attachment" in content_disposition:
continue
if content_type in ["text/plain", "text/html"]:
try:
body_bytes = part.get_payload(decode=True)
if body_bytes:
charset = part.get_content_charset() or 'utf-8'
try:
body = body_bytes.decode(charset, errors='ignore')
except:
body = body_bytes.decode('utf-8', errors='ignore')
else:
body = part.get_payload()
except:
body = part.get_payload()
# 优先使用纯文本正文
if content_type == "text/plain" and body.strip():
break
else:
try:
body_bytes = msg.get_payload(decode=True)
if body_bytes:
charset = msg.get_content_charset() or 'utf-8'
try:
body = body_bytes.decode(charset, errors='ignore')
except:
body = body_bytes.decode('utf-8', errors='ignore')
else:
body = msg.get_payload()
except:
body = msg.get_payload()
return body
def _try_basic_fetch(self):
"""方法3: 尝试最基本的连接和获取"""
try:
print("尝试最基本的邮件获取方法...")
mail = imaplib.IMAP4_SSL(self.imap_server, self.imap_port)
mail.login(self.email_address, self.password)
# 直接尝试获取第一封邮件
mail.select('INBOX')
status, msg_data = mail.fetch('1', '(RFC822)')
if status == 'OK':
print("成功获取到第一封邮件！")
# 这里可以添加解析代码
else:
print("连最基本的FETCH也失败了")
mail.logout()
except Exception as e:
print(f"基本方法也失败: {str(e)}")
return []
def check_connection(self):
"""测试服务器连接"""
print("正在测试SMTP连接...")
try:
server = smtplib.SMTP_SSL(self.smtp_server, self.smtp_port)
server.login(self.email_address, self.password)
server.quit()
print("SMTP连接成功！")
except Exception as e:
print(f"SMTP连接失败: {str(e)}")
print("\n正在测试IMAP连接...")
try:
mail = imaplib.IMAP4_SSL(self.imap_server, self.imap_port)
mail.login(self.email_address, self.password)
# 测试是否能选择收件箱
status, info = mail.select('INBOX')
if status == 'OK':
print(f"IMAP连接成功！收件箱邮件数: {info[0].decode()}")
else:
print(f"IMAP登录成功，但选择收件箱失败: {info}")
mail.logout()
except Exception as e:
print(f"IMAP连接失败: {str(e)}")
def testSend1():
list_ = [
"第一个",
"第二个",
"第三个",
"第四个",
]
print("\n发送测试邮件...")
for i in range(200):
client.send_email(
to_email="laocooon@qq.com", # 替换为实际收件人
subject=list_[i % len(list_)] + ",测试邮件",
body="这是一封来自2925.com的测试邮件。"
)
# 使用示例
if __name__ == "__main__":
# 您的邮箱信息
EMAIL_ADDRESS = "xxxxxx"
EMAIL_PASSWORD = "xxxxx"
# 创建邮箱客户端
client = EmailClient2925(EMAIL_ADDRESS, EMAIL_PASSWORD)
# 测试连接
client.check_connection()
# 发送邮件示例
# testSend1()
print("\n发送测试邮件...")
client.send_email(
to_email="xxxx@xxx.xx", # 替换为实际收件人
subject="测试邮件",
body="这是一封来自xxx.com的测试邮件。"
)
# 接收邮件示例
print("\n接收最新邮件...")
emails = client.receive_emails(limit=10)
if emails:
print(emails)
print(f"共收到 {len(emails)} 封邮件")
else:
print("没有收到邮件")