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Old 10-15-2017, 07:11 AM   #1
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Howto configure Pop3 and KMail?

I like to create old school pop3 server and communicate emails with KMail. When creating user "user01:.../false" gives me user with e-mail rights, but no telnet connection. I can send e-mails between other users inside server, and that's the whole idea. No gateways, no DNS, no discussion between other servers. Just IP number for connect and communication inside this server. No databases no anything.

I have tried to configure KMail to use Pop3 method, but somehow I allways got "connection reject". If I take telnet session from workstation, it works. I have noticed that KMail add local workstation name to "sender" box, as "sender: user01@linux01".

So how I can configure KMail so it use only user-names in this "e-mail server"? And the name of server is IP-address, no dns name.

Or is there better client to work with pop3 than KMail? Something small and fast. And client witch is probably working with windows as well (God knows why)?
Old 10-18-2017, 09:12 PM   #2
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I'm not quite sure what you are trying to accomplish here.

Most mail providers provide the information you need to configure a mail client for POP3 or IMAP. A quick search for "gmail pop3 settings" turned up this:

I've not encountered a mail provider who offered an IP address instead of DNS name. Of course, you could use dig to view the MX record of a mail server and try that, if you wish, but it's likely not worth the effort. See man dig for more.
Old 10-19-2017, 03:50 AM   #3
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Hello !!

I try to create stand-alone Linux server where is no separate email-software, except the one within system. In the server users can send e-mails to each another but they have to know who is who. No e-mail lists, no databases and every time when e-mail is readed, it will be deleted.

Creating server isn't hard part. Or even read emails with pop3 standard. It is OK. But sending email to enother person is hard part. Nowadays smtp clients are included all kind of security questions and dns-verify/authentication features, that server (or client) every time reject email send. Even if I spoof my client name as an server IP-address. Still, rejected connection.

Of course people can send emails to each others if I give them telnet-connection. But I prefare not. Just pop3.


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