Winsock: reading email messages (POP3, port 110) -- Visual FoxPro : Using Win32 (WinAPI) Functions


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Winsock: reading email messages (POP3, port 110)

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Before you begin:

This code returns number of incoming email messages waiting on a POP3 server without opening your default email client (Outlook Express, GoupWise, Eudora etc.).

Also it contains basic GetMsg and GetMsgTop methods being good enough for reading those messages.

Note that even after being read all messages stay on your server (unless you decide to issue the DELE command), so they will be available for retrieving in your regular email program.

In the beginning part of the code replace connection attributes with valid ones from your email account. This is where you can find them in Microsoft Outlook Express:

MAPI example (file attachments enabled)

MAPI: sending email messages

MAPI: reading email messages

Function MAPISendDocuments

FoxTalk articles:

Sending SMTP Messages in Visual FoxPro Applications, Part 1

Sending SMTP Messages in Visual FoxPro Applications, Part 2

Accessing Hotmail and MSN Accounts in Visual FoxPro


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6623 bytes
Created: 2003-02-21 11:32:53
Modified: 2011-12-10 09:20:22
Visits in 7 days: 136

Listed functions:

closesocket
gethostbyname
htons
inet_addr
inet_ntoa
recv
send
socket
WSACleanup
WSACloseEvent
WSACreateEvent
WSAEventSelect
WSAStartup
WSAWaitForMultipleEvents

My comment:

A screen output will be similar to the following:



Connecting to pop3.fastmail.com, 192.168.0.1 ...

+OK POP3 server ready.



>> USER UncleJoe

+OK Password required.



>> PASS checkmail

+OK logged in.



>> STAT 5 67312



>> QUIT

+OK POP3 server signing off.

"STAT 5" means that there is 5 messages waiting.

* * *
There is a couple of links that might be interesting:

STD/STD53. Post Office Protocol - Version 3

How to receive an e-mail (Introduction to POP3 protocol)

#kwd: sln_reademail, sln_winsock

Word Index links for this example:

sending email messages

port 110

port 25

reading email messages

connection attributes

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