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> 1)For security is it possibile to declare a unique ip address (es. localhost) to send emails? > My scenario is the server where James running has a public ip and i want not that extern users (in internet net) can use James as SMTP.
Yes, using RemoteAddrNotInNetwork=127.0.0.1
> > 2) My webapp must sends many email at once. James can be configured for medium-heavy works? > If yes...how it?
Using an external database for storage and increasing the number of threads. Check the mailing list archives, the James documentation, the James wiki and ask on the James user list for more information. d.