宝塔邮局怎么删除所有邮件不删除账号？

# 创建脚本文件
cat > /root/mail_cleaner.sh << 'EOF'
#!/bin/bash
echo "=== 邮件文件夹清理工具（交互版）==="

# 记录开始时间
START_TIME=$(date +%s)

# 查找所有域名
MAIL_BASE="/www/vmail"
DOMAINS=($(find "$MAIL_BASE" -maxdepth 1 -type d -exec basename {} \; | grep -v "^vmail$" | sort))

# 检查是否有域名
if [ ${#DOMAINS[@]} -eq 0 ]; then
echo "错误：在 $MAIL_BASE 下未找到任何域名！"
exit 1
fi

# 显示域名列表
echo "可用的域名列表："
echo "0. 全部清理 (all)"
for i in "${!DOMAINS[@]}"; do
echo "$((i+1)). ${DOMAINS[$i]}"
done

# 用户选择域名（直接回车默认全部清理）
echo ""
echo -n "请选择要清理的域名 (输入数字 0-${#DOMAINS[@]} 或 all，直接回车默认全部清理): "
read choice

# 处理域名选择（直接回车默认为全部清理）
if [[ "$choice" == "0" || "$choice" == "all" || "$choice" == "全部" || -z "$choice" ]]; then
SELECTED_DOMAINS=("${DOMAINS[@]}")
if [[ -z "$choice" ]]; then
echo "您选择了：全部清理（默认）"
else
echo "您选择了：全部清理"
fi
else
# 检查输入是否有效
if [[ "$choice" =~ ^[0-9]+$ ]] && [ "$choice" -ge 1 ] && [ "$choice" -le ${#DOMAINS[@]} ]; then
index=$((choice-1))
SELECTED_DOMAINS=("${DOMAINS[$index]}")
echo "您选择了：${DOMAINS[$index]}"
else
echo "错误：无效的选择！"
exit 1
fi
fi

# 清理范围选择
echo ""
echo "请选择清理范围："
echo "1. 清理发件箱 (cur、tmp 目录)"
echo "2. 清理收件箱 (new、tmp 目录)" 
echo "3. 全部清理 (cur、new、tmp 目录)"
echo -n "请输入选择 (直接回车默认3-全部清理): "
read cleanup_scope

# 处理清理范围选择
case "$cleanup_scope" in
"1")
FOLDERS=("cur" "tmp")
SCOPE_NAME="发件箱 (cur、tmp)"
;;
"2")
FOLDERS=("new" "tmp")
SCOPE_NAME="收件箱 (new、tmp)"
;;
"3"|"")
FOLDERS=("cur" "new" "tmp")
SCOPE_NAME="全部邮箱 (cur、new、tmp)"
;;
*)
echo "错误：无效的清理范围选择！"
exit 1
;;
esac

if [[ -z "$cleanup_scope" ]]; then
echo "您选择了：$SCOPE_NAME（默认）"
else
echo "您选择了：$SCOPE_NAME"
fi

# 确认操作（直接回车默认为y）
echo ""
echo "========================================"
echo "即将执行以下操作："
echo "- 清理域名: ${SELECTED_DOMAINS[*]}"
echo "- 清理范围: $SCOPE_NAME"
echo "========================================"
echo -n "确认开始清理吗？(Y/n，直接回车默认确认): "
read confirm

# 处理确认选择（直接回车、y、Y 都确认为继续）
if [[ "$confirm" =~ ^[Nn]$ ]]; then
echo "操作已取消"
exit 0
else
echo "确认执行清理操作..."
fi

# 清理函数（带进度显示）
clean_domain() {
local domain="$1"
echo ""
echo "====== 开始清理域名: $domain ======"

local mail_base="/www/vmail/$domain"
local mail_users=($(find "$mail_base" -maxdepth 1 -type d -exec basename {} \; | grep -v "^$domain$" | sort))

if [ ${#mail_users[@]} -eq 0 ]; then
echo "在 $domain 下未找到任何邮箱账号"
return
fi

local total_cleaned=0
local total_accounts=0
local total_users=${#mail_users[@]}
local current_user=0

echo "该域名下共有 $total_users 个邮箱账号需要处理"
echo "----------------------------------------"

for user in "${mail_users[@]}"; do
if [ -n "$user" ]; then
current_user=$((current_user + 1))
user_dir="$mail_base/$user"

# 显示进度
echo "[$current_user/$total_users] 处理账号: $user"

local user_cleaned=0

for folder in "${FOLDERS[@]}"; do
target_dir="$user_dir/$folder"
if [ -d "$target_dir" ] && [ "$(ls -A "$target_dir")" ]; then
file_count=$(ls -1 "$target_dir" | wc -l)
echo " 清理: $folder/ ($file_count 个文件)"
rm -rf "$target_dir"/*
user_cleaned=$((user_cleaned + file_count))
fi
done

total_cleaned=$((total_cleaned + user_cleaned))
total_accounts=$((total_accounts + 1))

if [ $user_cleaned -gt 0 ]; then
echo " ✓ 此账号清理了 $user_cleaned 个文件"
else
echo " ○ 此账号无需清理"
fi

# 显示剩余账号和进度百分比
remaining=$((total_users - current_user))
progress=$((current_user * 100 / total_users))
echo " 进度: $progress% | 剩余: $remaining 个账号"
echo " ------------------------------------"
fi
done

echo "✓ 域名 $domain 清理完成: $total_accounts 个账号, 共 $total_cleaned 个文件"
}

# 格式化时间函数
format_duration() {
local total_seconds=$1
if [ $total_seconds -lt 60 ]; then
echo "${total_seconds}秒"
elif [ $total_seconds -lt 3600 ]; then
minutes=$((total_seconds / 60))
seconds=$((total_seconds % 60))
echo "${minutes}分钟${seconds}秒"
else
hours=$((total_seconds / 3600))
minutes=$(( (total_seconds % 3600) / 60 ))
seconds=$((total_seconds % 60))
echo "${hours}小时${minutes}分钟${seconds}秒"
fi
}

# 主清理流程
echo ""
echo "开始清理操作..."
echo "========================================"

# 停止邮件服务
echo "停止邮件服务..."
MAIL_START_TIME=$(date +%s)
sudo bt stop mail

# 执行清理
TOTAL_DOMAINS=${#SELECTED_DOMAINS[@]}
CURRENT_DOMAIN=0

for domain in "${SELECTED_DOMAINS[@]}"; do
CURRENT_DOMAIN=$((CURRENT_DOMAIN + 1))
echo ""
echo ">>> 正在处理域名 [$CURRENT_DOMAIN/$TOTAL_DOMAINS]: $domain"
DOMAIN_START_TIME=$(date +%s)

clean_domain "$domain"

DOMAIN_END_TIME=$(date +%s)
DOMAIN_DURATION=$((DOMAIN_END_TIME - DOMAIN_START_TIME))
echo ">>> 域名 $domain 处理耗时: $(format_duration $DOMAIN_DURATION)"
echo "========================================"
done

# 重启邮件服务
echo ""
echo "重启邮件服务..."
sudo bt start mail
MAIL_END_TIME=$(date +%s)
MAIL_DURATION=$((MAIL_END_TIME - MAIL_START_TIME))

# 计算邮件清理阶段耗时
CLEAN_END_TIME=$(date +%s)
CLEAN_DURATION=$((CLEAN_END_TIME - START_TIME))

echo ""
echo "=== 邮件清理操作完成 ==="
echo "清理范围: $SCOPE_NAME"
echo "处理域名: ${SELECTED_DOMAINS[*]}"
echo "邮件清理耗时: $(format_duration $MAIL_DURATION)"
echo "总运行时间: $(format_duration $CLEAN_DURATION)"
echo ""

# 询问是否清理系统日志
echo "========================================"
echo -n "是否安全清理系统日志？可能占用很大 (y/N，直接回车默认不清理): "
read clean_logs

if [[ "$clean_logs" =~ ^[Yy]$ ]]; then
echo ""
echo "开始清理系统日志..."
LOG_START_TIME=$(date +%s)

# 清理当前系统日志
echo "正在清理使用中的系统日志..."
sudo truncate -s 0 /var/log/syslog 2>/dev/null || true
sudo truncate -s 0 /var/log/messages 2>/dev/null || true
sudo truncate -s 0 /var/log/maillog 2>/dev/null || true
echo "✓ 安全清理使用中的日志完成"

# 清理压缩的旧日志文件
echo "正在清理备份的早期日志..."
sudo find /var/log -name "*.gz" -o -name "*.bz2" -o -name "*.[0-9]" -exec rm -f {} \; 2>/dev/null || true
echo "✓ 清理备份的早期日志完成"

# 清理宝塔日志
echo "正在清理宝塔面板日志..."
sudo find /www/server/panel/logs -name "*.log" -exec truncate -s 0 {} \; 2>/dev/null || true
echo "✓ 清理宝塔面板日志完成"

LOG_END_TIME=$(date +%s)
LOG_DURATION=$((LOG_END_TIME - LOG_START_TIME))
echo "系统日志清理完成！耗时: $(format_duration $LOG_DURATION)"
else
echo "跳过系统日志清理"
fi

# 显示磁盘使用情况
echo ""
echo "========================================"
echo "当前磁盘使用情况："
echo "========================================"
df -h | awk '
NR==1 {
print "文件系统 容量 已用 可用 已用% 挂载点"
print "--------------------------------------------"
}
NR>1 {
printf "%-12s %5s %5s %5s %5s %s\n", $1, $2, $3, $4, $5, $6
}'

# 计算总耗时
END_TIME=$(date +%s)
TOTAL_DURATION=$((END_TIME - START_TIME))

echo ""
echo "========================================"
echo "=== 所有操作完成 ==="
echo "总耗时: $(format_duration $TOTAL_DURATION)"
echo "完成时间: $(date '+%Y-%m-%d %H:%M:%S')"
echo "========================================"
EOF

# 赋予执行权限
chmod +x /root/mail_cleaner.sh

# 执行脚本
/root/mail_cleaner.sh