Visual Basic 6.0

Explicitly Connect to the POP3 Server

Demonstrates the Chilkat MailMan.Pop3Connect method, which explicitly connects to the POP3 server. If SSL/TLS is required by the current property settings, the secure TLS channel is established as part of connecting. This example opens the connection.

Background: Pop3Connect performs just the connect (and TLS handshake) step, without authenticating. Separating it from Pop3Authenticate gives explicit control over the session lifecycle and makes it easy to tell a connection failure apart from a login failure. For routine mailbox operations you don't need it — methods like CheckMail connect automatically.

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Visual Basic 6.0

Dim success As Long
success = 0

'  Demonstrates the MailMan.Pop3Connect method, which explicitly connects to the POP3 server.
'  If SSL/TLS is required by the current property settings, the secure channel is established
'  as part of connecting.

Dim mailman As New ChilkatMailMan

'  Configure the POP3 server connection.
mailman.MailHost = "pop.example.com"
mailman.MailPort = 995
mailman.PopSsl = 1

'  Explicitly connect to the POP3 server (does not authenticate).

success = mailman.Pop3Connect()
If (success = 0) Then
    Debug.Print mailman.LastErrorText
    Exit Sub
End If

Debug.Print "Connected to the POP3 server."