退信

• 退信提示："Denied by policy"
• 退信提示："Message rejected as spam"
• 退信提示："SMTP error, DOT：553 Blocked Using Spam Pattern, Your Message May Contain The Spam Contents."
• 退信提示："SMTP error, DOT：550 5.0.5 Looks like to Spam"
• 退信提示："message not allowed"
• 退信提示："content filter rejection SPAM"
• 退信提示："mail content denied"
• 退信提示："Spam violation"
• 退信提示："spam denied"
• 退信提示："content reject"
• 退信提示："Your message was rejected because it appears to be part of a spam bomb"
• 退信提示："mail rejected by antispam server"
• 退信提示："reject by dgproxy"
• 退信提示："mail rejected by keyword"
• 退信提示："The file attached violates our email policy"