Use jmail to receive emails

1. Jmail. Message MSG = new jmail. Message ();
2. Jmail. POP3 JPOP = new jmail. POP3 ();
3. Jmail. attachments ATTS;
4. Jmail. Attachment ATT;
6. // Username is the user name. This method obtains the pop settings of the user through the user name, that is, the user's pop user name, password, POP server address, and port number, these four parameters are required to connect to the POP server.
7. Sqldatareader datareader = This. extgetsetting (username );
8. If (datareader. Read ())
9. {
10. If (datareader ["popserver"]. tostring ()! = "" & Datareader ["popusername"]. tostring ()! = "")
11. {
12. // Connect to the POP server
13. JPOP. connect (datareader ["popusername"]. tostring (), datareader ["poppassword"]. tostring (), datareader ["popserver"]. tostring (), int32.parse (datareader ["popport"]. tostring ()));
14. // If there is an email on the server
15. If (JPOP. Count> = 1)
16. {
17. For (INT I = 1; I <= JPOP. Count; I ++)
18. {
20. MSG = JPOP. Messages [I];
21. ATTS = msg. attachments;
23. // Obtain the maximum sending time in the mail information in the database, that is, the time of the last received email.
24. Database DBASE = new database ();
25. Datatable DATA = DBASE. getdatatable ("select max (mailsenddate) as mailsenderdate from tabmaillist where mailtypeflag = '1 '");
27. // Compare the sending time of the email on the server with the time of the last email in the database. If the email is large, it indicates that the email has not been received. It is a new email, this avoids repeated incoming mails.
28. If (msg. Date> convert. todatetime (data. Rows [0] [0]. tostring ()))
30. {
31. // Save the information of this new email to the database
32. This. saveextmail (MSG, username, datareader ["email"]. tostring (), JPOP. getmessageuid (I ));
34. // Obtain the attachment and upload it to the server and save the information to the database.
35. If (ATTS. Count> = 1)
36. {
37. For (int K = 0; k <ATTS. Count; k ++)
38. {
40. ATT = ATTS [k]; // obtain the attachment
42. String attname = Att. Name;
43. Try
44. {
46. Random tempnameint = new random ();
47. String newmaildirname = tempnameint. Next (100000000). tostring ();
48. Directory. createdirectory (system. Web. httpcontext. Current. server. mappath (".") + "// attachfiles //" + username + "//" + newmaildirname );
50. String mailpath = "// attachfiles //" + username + "//" + newmaildirname + "//" + attname;
52. Att. savetofile (system. Web. httpcontext. Current. server. mappath (".") + mailpath );
54. // Obtain the ID of the email in the database to match the attachment information. obtain the maximum ID in the email table.
55. Int mailid = This. getmailid ();
56. // Store the attachment information to the database
57. This. attextsend (mailid, attname, ATT. Size, mailpath, MSG. From );
58. }
59. Catch (exception ex)
60. {
61. Throw new exception (ex. Message );
62. }
64. }
65. }
66. }
67. }
68. }
70. // Delete emails from the server
71. // JPOP. deletemessages ();
72. // Disconnect
73. JPOP. Disconnect ();
74. }
76. }
77. }

78. Email information warehouse receiving:

    1. Public String saveextmail (jmail. Message jmsg, string username, string email)
    2. {
    3. Database Data = new database ();
    4. String mailid = NULL;
    7. Sqlparameter [] prams = {
    8. Data. makeinparam ("@ mailfoldertype", sqldbtype. Int, 20, 1 ),//?
    9. Data. makeinparam ("@ mailreceiverstr", sqldbtype. varchar, 300, username ),//!
    10. Data. makeinparam ("@ mailsenddate", sqldbtype. datetime, 20, datetime. parse (jmsg. Date. tostring (), // sending time
    11. Data. makeinparam ("@ mailsendlevel", sqldbtype. smallint, 20, 1 ),//!
    12. Data. makeinparam ("@ mailsender", sqldbtype. nvarchar, 100, jmsg. From. tostring (), // The sender address
    13. Data. makeinparam ("@ mailreceiver", sqldbtype. nvarchar, 100, username), // recipient
    14. Data. makeinparam ("@ mailsubject", sqldbtype. nvarchar, 150, subject), // mail subject
    15. Data. makeinparam ("@ mailbody", sqldbtype. Text, 300000, (jmsg. bodytext = NULL? "": Body), // mail content
    16. Data. makeinparam ("@ mailcctoaddr", sqldbtype. nvarchar, 300 ,""),//?
    17. Data. makeinparam ("@ mailbcctoaddr", sqldbtype. nvarchar, 300 ,""),//?
    18. Data. makeinparam ("@ mailreadflag", sqldbtype. Bit, 1, 0 ),
    19. Data. makeinparam ("@ mailtypeflag", sqldbtype. Bit, 1, 1 ),//?
    20. Data. makeinparam ("@ mailclassid", sqldbtype. Int, 1, 0 ),
    21. Data. makeinparam ("@ mailimportance", sqldbtype. Int, 1, convert. toint32 (jmsg. Priority), // priority
    22. Data. makeoutparam ("@ mailid", sqldbtype. Int, 20 )//?
    23. };
    25. Try
    26. {
    27. Data. runproc ("sp_mailsend", prams );
    28. Mailid = prams [14]. value. tostring ();
    29. If (mailid = string. Empty)
    30. Return NULL;
    31. Else
    32. Return mailid;
    33. }
    34. Catch (exception ex)
    35. {
    37. Error. Log (ex. tostring ());
    38. }
    41. }