邮件退信提示：SMTP error, DOT：553 Blocked Using Spam Pattern, Your Message May Contain The Spam Contents.2023-07-19 08:02:54
邮件退信提示：host [xxx.xxx.xx.xx] said：554 sorry, Spam detected by SpamAssassin (# 5.3.4) (in reply to end of DATA command)2023-07-17 08:01:01
邮件退信提示：The message was rejected because it contains prohibited virus or spam content2023-07-17 08:00:35
邮件退信提示：554 Virus content detected,Your mailbox found the virus，pleasere-sent after killing virus.2023-07-15 22:34:27
邮件退信提示：SMTP error, RCPT TO：550 5.2.1 The email account that you tried to reach is disabled.2023-07-10 18:20:33
邮件退信提示：554 delivery error：dd This user doesn’t have a yahoo.com account (abc@yahoo.com)2023-07-10 18:17:44
邮件退信提示：SMTP error, RCPT TO：550 Host xxx.xxx.xx.xx has been banned from this server (5).2023-07-08 21:55:16
邮件退信提示：SMTP error, RCPT TO：553 5.7.1 sorry, that domain isn’t in my list of allowed rcpthosts (chkuser)2023-07-05 10:10:13
邮件退信提示：SMTP error, DOT： 554 5.7.1 This message has been blocked because the return email domain is invalid.(failed to obtain DNS record for domain abc.com)2023-07-04 14:14:40
邮件退信提示：Host abc.com(xxx.xxx.xxx.xx) RCPT TO said 421 Refused. You have no reverse DNS entry. Contact abuse@abc.com for details2023-07-03 09:19:02
550 Domain may not exist or DNS check failed [NX9WKUWGGZoEdpKuMBJbEmXcZnp1+GoEt62NhQ65bRw2iEld1x+go68= IP: xx.xx.xx.xx]2020-04-03 11:30:03
