Chilkat Examples

ChilkatHOMEAndroid™Classic ASPCC++C#Mono C#.NET Core C#C# UWP/WinRTDataFlexDelphi ActiveXDelphi DLLVisual FoxProJavaLianjaMFCObjective-CPerlPHP ActiveXPHP ExtensionPowerBuilderPowerShellPureBasicCkPythonChilkat2-PythonRubySQL ServerSwift 2Swift 3/4TclUnicode CUnicode C++Visual Basic 6.0VB.NETVB.NET UWP/WinRTVBScriptXojo PluginNode.jsExcelGo

VB.NET Examples

Web API Categories

ASN.1
Amazon Glacier
Amazon S3
Amazon S3 (new)
Amazon SES
Amazon SNS
Amazon SQS
Async
Azure Cloud Storage
Azure Service Bus
Base64
Bounced Email
Box
CAdES
CSR
CSV
Certificates
Compression
DKIM / DomainKey
DSA
Diffie-Hellman
Digital Signatures
Dropbox
Dynamics CRM
ECC
Email Object
Encryption
FTP
FileAccess
Firebase
GMail REST API
Geolocation
Google APIs
Google Calendar
Google Cloud Storage
Google Drive
Google Photos
Google Sheets
Google Tasks
Gzip
HTML-to-XML/Text

HTTP
HTTP Misc
IMAP
JSON
JSON Web Encryption (JWE)
JSON Web Signatures (JWS)
JSON Web Token (JWT)
Java KeyStore (JKS)
MHT / HTML Email
MIME
Microsoft Graph
NTLM
OAuth1
OAuth2
OneDrive
OpenSSL
Outlook
PEM
PFX/P12
POP3
PRNG
REST
REST Misc
RSA
SCP
SFTP
SMTP
SSH
SSH Key
SSH Tunnel
SharePoint
Socket/SSL/TLS
Spider
Stream
Tar Archive
Upload
WebSocket
XAdES
XML
XML Digital Signatures
XMP
Zip
curl

 

 

 

(VB.NET) Copy Email from one IMAP Account to Another

Demonstrates how to copy the email in a mailbox from one account to another.

Chilkat .NET Downloads

Chilkat .NET Assemblies

Chilkat for .NET Core

Chilkat for Mono

Dim imapSrc As New Chilkat.Imap

'  This example assumes Chilkat Imap to have been previously unlocked.
'  See Unlock Imap for sample code.

'  Connect to our source IMAP server.
imapSrc.Ssl = True
imapSrc.Port = 993
Dim success As Boolean = imapSrc.Connect("MY-IMAP-DOMAIN")
If (success <> True) Then
    Console.WriteLine(imapSrc.LastErrorText)
    Exit Sub
End If


'  Login to the source IMAP server
success = imapSrc.Login("MY-IMAP-LOGIN","MY-IMAP-PASSWORD")
If (success <> True) Then
    Console.WriteLine(imapSrc.LastErrorText)
    Exit Sub
End If


Dim imapDest As New Chilkat.Imap

'  Connect to our destination IMAP server.
imapDest.Ssl = True
imapDest.Port = 993
success = imapDest.Connect("MY-IMAP-DOMAIN2")
If (success <> True) Then
    Console.WriteLine(imapDest.LastErrorText)
    Exit Sub
End If


'  Login to the destination IMAP server
success = imapDest.Login("MY-IMAP-LOGIN2","MY-IMAP-PASSWORD2")
If (success <> True) Then
    Console.WriteLine(imapDest.LastErrorText)
    Exit Sub
End If


'  Select a source IMAP mailbox on the source IMAP server
success = imapSrc.SelectMailbox("Inbox")
If (success <> True) Then
    Console.WriteLine(imapSrc.LastErrorText)
    Exit Sub
End If


Dim fetchUids As Boolean = True

'  Get the set of UIDs for all emails on the source server.
Dim mset As Chilkat.MessageSet = imapSrc.Search("ALL",fetchUids)
If (imapSrc.LastMethodSuccess <> True) Then
    Console.WriteLine(imapSrc.LastErrorText)
    Exit Sub
End If



'  Load the complete set of UIDs that were previously copied.
'  We dont' want to copy any of these to the destination.
Dim fac As New Chilkat.FileAccess
Dim msetAlreadyCopied As New Chilkat.MessageSet
Dim strMsgSet As String = fac.ReadEntireTextFile("qa_cache/saAlreadyLoaded.txt","utf-8")
If (fac.LastMethodSuccess = True) Then
    msetAlreadyCopied.FromCompactString(strMsgSet)
End If


Dim numUids As Integer = mset.Count
Dim sbFlags As New Chilkat.StringBuilder

Dim i As Integer = 0
While i < numUids

    '  If this UID was not already copied...
    Dim uid As Integer = mset.GetId(i)
    If (Not msetAlreadyCopied.ContainsId(uid)) Then

        Console.WriteLine("copying " & uid & "...")

        '  Get the flags.
        Dim flags As String = imapSrc.FetchFlags(uid,True)
        If (imapSrc.LastMethodSuccess = False) Then
            Console.WriteLine(imapSrc.LastErrorText)
            Exit Sub
        End If

        sbFlags.SetString(flags)

        '  Get the MIME of this email from the source.
        Dim mimeStr As String = imapSrc.FetchSingleAsMime(uid,True)
        If (imapSrc.LastMethodSuccess = False) Then
            Console.WriteLine(imapSrc.LastErrorText)
            Exit Sub
        End If


        Dim seen As Boolean = sbFlags.Contains("\\Seen",False)
        Dim flagged As Boolean = sbFlags.Contains("\\Flagged",False)
        Dim answered As Boolean = sbFlags.Contains("\\Answered",False)
        Dim draft As Boolean = sbFlags.Contains("\\Draft",False)

        success = imapDest.AppendMimeWithFlags("Inbox",mimeStr,seen,flagged,answered,draft)
        If (success <> True) Then
            Console.WriteLine(imapDest.LastErrorText)
            Exit Sub
        End If


        '  Update msetAlreadyCopied with the uid just copied.
        msetAlreadyCopied.InsertId(uid)

        '  Save at every iteration just in case there's a failure..
        strMsgSet = msetAlreadyCopied.ToCompactString()
        fac.WriteEntireTextFile("qa_cache/saAlreadyLoaded.txt",strMsgSet,"utf-8",False)
    End If


    i = i + 1
End While


'  Disconnect from the IMAP servers.
success = imapSrc.Disconnect()
success = imapDest.Disconnect()

 

© 2000-2019 Chilkat Software, Inc. All Rights Reserved.