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Jun
11
awarded  Commentator
Jun
11
comment How to prevent mail from our website going into spam mail of users?
I have added SPF and DKIM to my answer; thanks.
Jun
11
revised Incoming mail from sender, MX record won't accept replies. How to block the incoming SMTP connection from that sender?
added 329 characters in body
Jun
11
comment Incoming mail from sender, MX record won't accept replies. How to block the incoming SMTP connection from that sender?
Thanks for the links, JohnnyD. The mail host's address gets a clear report from all of those services, so we can be confident it's not listed in a reputable blacklist.
Jun
10
revised How to prevent mail from our website going into spam mail of users?
added 244 characters in body
Jun
10
revised Incoming mail from sender, MX record won't accept replies. How to block the incoming SMTP connection from that sender?
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Jun
9
revised How to prevent mail from our website going into spam mail of users?
added 79 characters in body
Jun
9
comment Incoming mail from sender, MX record won't accept replies. How to block the incoming SMTP connection from that sender?
The address is no doubt listed as “belongs to a range of addresses assigned to ADSL service”. While true, these lists appear to be misused as “nobody should ever be making SMTP connections from these addresses”, which is an abuse of the list; the address is permanently assigned to this service and is valid for use. So, the problem is the misconfiguration of the remote server blocking this address, not the list itself.
Jun
9
comment Incoming mail from sender, MX record won't accept replies. How to block the incoming SMTP connection from that sender?
The explicit reason given, in a majority of these cases, is “your host is on an ADSL connection”. That's true, but seems to imply that the address is dynamic, which is false. To block merely because the client is assigned to an ADSL range is a misconfiguration.
Jun
9
awarded  Yearling
Jun
9
revised Can i safely block all ports on my sever
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Jun
9
revised How to prevent mail from our website going into spam mail of users?
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Jun
9
answered How to prevent mail from our website going into spam mail of users?
Jun
9
revised Incoming mail from sender, MX record won't accept replies. How to block the incoming SMTP connection from that sender?
deleted 162 characters in body
Jun
9
revised Incoming mail from sender, MX record won't accept replies. How to block the incoming SMTP connection from that sender?
added 277 characters in body; added 184 characters in body; edited title; added 29 characters in body
Jun
9
comment Incoming mail from sender, MX record won't accept replies. How to block the incoming SMTP connection from that sender?
Thanks, but this doesn't address what I've written. The mail server is existing for a while, and has adequate protection against unsolicited junk. I'm talking about adding a new restriction onto an existing mail server.
Jun
9
asked Incoming mail from sender, MX record won't accept replies. How to block the incoming SMTP connection from that sender?
May
10
comment How to list all users and groups on Linux?
Worse, this will appear to work but will fail to show any accounts or groups that are not present in those files.
Mar
23
answered Can i safely block all ports on my sever
Mar
23
answered Cannot run SSH or send commands to /etc/init.d/ssh