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Old 18th April 2013, 14:51
till till is offline
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But, still I'm not receiving mail from outside. I'm able to send mail from one client mailbox to another (on the same ispserver) - and from a client mailbox to an outside email such as
Then your problem is not on your ispconfig server and a reinstall will not help.

Either your dns record is not correct or you have a firewall or router in front of the server which blocks port 25 or the ISP which you use to connect the server with the internet blocks port 25.
Till Brehm
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