Obsolete Releases > SME 8.x Contribs

Remote host said: 451 Upstream SMTP server not available/

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jonson:
Thank you for reply
what is the meaning of sme running any kind of website

Stefano:
jonson:

does your SME server act as a public web server? did you setup any kind of CMS (i.e. wordpress, joomla, $whatever) on your SME?

moreover: I see only questions coming from you, but no answers.. it's quite difficult to help you

jonson:
Thank you for reply
no it is for email server only
not using for any thing like web or sharing
only mail server
and i installed in every computer eset end point antivirus

jonson:
How i know my ip in black list and how to remove it from black list

janet:
jonson

For starters go to
https://www.spamhaus.org/

Please do not ask us how to do it, you need to read the information provided on that website, it tells you everything you need to know.

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