退信

• 退信提示："Requested mail action not taken: Invalid IP"
• 退信提示："Requested mail action not taken: Fake sender"
• 退信提示："Requested action not taken: mail %s is rejected"
• 退信提示："Requested action not taken: no smtp MX only"
• 退信提示："rcpt is rejected"
• 退信提示："Requested action not taken: Local user only"
• 退信提示："Requested action not taken: NULL sender is not allowed"
• 退信提示："sender is rejected"
• 退信提示："IP is Hangup"
• 退信提示："IP is rejected"
• 退信提示："User suspended"
• 退信提示："User rejected"
• 退信提示："User not found"
• 退信提示："User in blacklist"
• 退信提示："User hangup"