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ivan  
#1 Posted : Monday, May 2, 2011 5:07:24 PM(UTC)
ivan

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VB6 Example

Gmail IMAP4 server address is "imap.gmail.com". It requires SSL connection on 993 port, and you should use your Gmail email address as the user name for user authentication. For example: your email is "gmailid@gmail.com", and then the user name should be "gmailid@gmail.com".

To retrieve email from Gmail account, you need to enable POP3 or IMAP4 access in your gmail account settings.

Because Gmail POP3 server doesn't work like normal POP3 server, it hides old emails automatically even the email was not deleted, so we suggest that you use IMAP4 protocol.

The following example codes demonstrate how to retrieve email from Gmail IMAP4 server.

Code:

' The following example codes demonstrate retrieving email from Gmail IMAP4 server
' To get full sample projects, please download and install EAGetMail on your machine.
' To run it correctly, please change email server, user, password, folder, file name value to yours

Option Explicit 

Const MailServerPop3 = 0 
Const MailServerImap4 = 1 

Private Sub Command1_Click() 
    Dim curpath As String 
    Dim mailbox As String 
    Dim oTools As New EAGetMailObjLib.Tools 

    ' Create a folder named "inbox" under current directory
    ' to save the email retrieved.
    curpath = App.Path 
    mailbox = curpath & "\inbox" 
    oTools.CreateFolder mailbox 

    Dim oServer As New EAGetMailObjLib.MailServer 
    ' Gmail IMAP server address
    oServer.Server = "imap.gmail.com" 
    oServer.User = "gmailid@gmail.com" 
    oServer.Password = "testpassword" 
    oServer.Protocol = MailServerImap4 

    ' Enable SSL Connection
    oServer.SSLConnection = True 

    ' Set 993 SSL Port
    oServer.Port = 993 

    On Error GoTo ErrorHandle: 
    Dim oClient As New EAGetMailObjLib.MailClient 
    oClient.LicenseCode = "TryIt" 

    oClient.Connect oServer 
    MsgBox "Connected" 

    Dim infos 
    infos = oClient.GetMailInfos() 
    MsgBox UBound(infos) + 1 & " emails" 

    Dim i As Integer 
    For i = LBound(infos) To UBound(infos) 
        Dim info As EAGetMailObjLib.MailInfo 
        Set info = infos(i) 
        MsgBox "Index: " & info.Index & "; Size: " & info.Size & _ 
        "; UIDL: " & info.UIDL 

        ' Receive email from Gmail server
        Dim oMail As EAGetMailObjLib.Mail 
        Set oMail = oClient.GetMail(info) 

        MsgBox "From: " & oMail.From.Address & _ 
            vbCrLf & "Subject: " & oMail.Subject 

        Dim fileName As String 
        ' Generate a random file name by current local datetime,
        ' You can use your method to generate the filename if you do not like it
        fileName = mailbox & "\" & oTools.GenFileName(i) & ".eml 

        ' Save email to local disk
        oMail.SaveAs fileName, True 

        ' Mark email as deleted from Gmail server.
        oClient.Delete info 
    Next 

    ' Quit and pure emails marked as deleted from Gmail server.
    oClient.Quit 
    Exit Sub 

ErrorHandle: 
    MsgBox Err.Description 
End Sub 

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If you have any comments or questions about above example codes, please add your comments here.
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