1The provider database is simply a collection of files with attributes. To add 2new provider to the image rdef files are used. In the jam file you have to add 3the new provider name. Here an example rdef file: 4 5resource(1, "POP Server") "pop.gmx.net"; 6resource(2, "IMAP Server") "imap.gmx.net"; 7resource(3, "SMTP Server") "mail.gmx.de"; 8resource(4, "POP Authentication") 0; 9resource(5, "SMTP Authentication") 1; 10resource(6, "POP SSL") 0; 11resource(7, "IMAP SSL") 0; 12resource(8, "SMTP SSL") 0; 13resource(9, "Username Pattern") 0; 14 15 16you can pass the following options to the last six items: 17 18"POP Authentification": 19 0 plain text 20 1 APOP 21 22"SMTP Authentification": 23 0 none 24 1 ESMTP 25 2 POP3 before SMTP 26 27"POP SSL": 28 0 No encryption 29 1 SSL 30 31"IMAP SSL": 32 0 No encryption 33 1 SSL 34 35"SMTP SSL": 36 0 Unencrypted 37 1 SSL 38 2 STARTTLS 39 40"Username Pattern": 41 0 username is the email address (default) 42 1 username is the local-part of the email address local-part@domain.net 43 2 no username is proposed 44