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Secure Messaging Gateway (SMG) blacklist issue
Check from mxtoolbox.com/blacklists.aspx and multirbl.valli.org,the IP has zero list.
Check from ipremoval.sms.symantec.com/lookup,the IP xxx does not have any bad reputation.
But when you try to send email to those who are using SMG,it is directly rejected once connected.
[root@mail ~]# telnet mail.volkswagen-anhui.com 25
Trying 202.106.175.16...
Connected to mail.volkswagen-anhui.com.
Escape character is '^]'.
554 5.7.1 You are not allowed to connect.
Connection closed by foreign host.
[root@mail ~]# telnet mail.vistardisplay.com 25
Trying 117.176.146.115...
Connected to mail.vistardisplay.com.
Escape character is '^]'.
554 5.7.1 You are not allowed to connect.
Connection closed by foreign host.
[root@mail ~]# telnet mailin.samsung.com 25
Trying 203.254.224.12...
Connected to mailin.samsung.com.
Escape character is '^]'.
554 5.7.1 Rejected because Bad IP
Connection closed by foreign host.
Anyone know such issue?
