email - POP3/SMTP on Ubuntu using Linux group -

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i need setup pop3/smtp server on our ubuntu server (example.com). found postfix useful job. possible let users group users (on system) use service, can login username/password? example, if kevin user group users, can login on pop3 server , retrieve (and send) mail kevin@example.com? possible save in- , outgoing e-mails in database?

regards, kevin

here ís link postfix features. have found store users in database.

i using mailserver configured after tutorials of workarounds.org , have implemented servers following solution few clients 100 concurrent users now.

but example dbmail project offers @ least storing mails databases.


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