(Tcl) Process New Email by Scanning for Senders

Scan email and save application-selected emails to EML files with unique filenames.

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load ./chilkat.dll

set imap [new_CkImap]

# Anything unlocks the component and begins a fully-functional 30-day trial.
set success [CkImap_UnlockComponent $imap "Anything for 30-day trial"]
if {[expr $success != 1]} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# Connect to an IMAP server.
# Use TLS
CkImap_put_Ssl $imap 1
CkImap_put_Port $imap 993
set success [CkImap_Connect $imap "imap.someMailServer.com"]
if {[expr $success != 1]} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# Login
set success [CkImap_Login $imap "myLogin" "myPassword"]
if {[expr $success != 1]} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# Select an IMAP mailbox
set success [CkImap_SelectMailbox $imap "Inbox"]
if {[expr $success != 1]} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# messageSet is a CkMessageSet

# We can choose to fetch UIDs or sequence numbers.
set fetchUids 1

# Fetch messages from the mailbox using a search criteria.
# This example finds NEW emails: these are emails that have the RECENT flag set, but not the SEEN flag:
set messageSet [CkImap_Search $imap "NEW" $fetchUids]
if {[expr [CkImap_get_LastMethodSuccess $imap] == 0]} then {
    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# This example will download headers, and then download
# the full email for those emails sent from a contact
# in our database.

# When downloading headers, each email object contains
# (obviously) the headers, but the body will be missing.
# Also, attachments will not be included.  However, it is
# possible to get information about the attachments
# as well as the complete size of the email.
# bundle is a CkEmailBundle

set bundle [CkImap_FetchHeaders $imap $messageSet]
if {[expr [CkImap_get_LastMethodSuccess $imap] == 0]} then {
    delete_CkMessageSet $messageSet

    puts [CkImap_lastErrorText $imap]
    delete_CkImap $imap
    exit
}

# Loop over the email objects...
set i 0
set numEmails [CkEmailBundle_get_MessageCount $bundle]
while {[expr $i < $numEmails]} {
    # email is a CkEmail
    set email [CkEmailBundle_GetEmail $bundle $i]

    # The sender's email address and name are available
    # in the From, FromAddress, and FromName properties.
    # If the sender is "Chilkat Support <support@chilkatsoft.com",
    # then the From property will hold the entire string.
    # the FromName property contains"Chilkat Support",
    # and the FromAddress property contains "support@chilkatsoft.com"
    puts [CkEmail_from $email]
    puts [CkEmail_fromAddress $email]
    puts [CkEmail_fromName $email]

    # Assume at this point your code checks to see if the sender
    # is one in your contacts database.  If so, this is
    # the code you would write to download the entire
    # email and save it to a file.

    # The ckx-imap-uid header field is added when
    # headers are downloaded.  This makes it possible
    # to get the UID from the email object.
    set uidStr [CkEmail_getHeaderField $email "ckx-imap-uid"]
    set uid $uidStr

    # fullEmail is a CkEmail

    set fullEmail [CkImap_FetchSingle $imap $uid 1]
    if {[expr [CkImap_get_LastMethodSuccess $imap] == 1]} then {
        # You may use the GenerateFilename method to
        # generate a unique filename...

        set filename [CkEmail_generateFilename $fullEmail]

        # SaveEml saves the entire email, including attachments.
        set success [CkEmail_SaveEml $fullEmail $filename]
        delete_CkEmail $fullEmail

    }

    puts "--"
    delete_CkEmail $email

    set i [expr $i + 1]
}

# Disconnect from the IMAP server.
set success [CkImap_Disconnect $imap]

delete_CkMessageSet $messageSet

delete_CkEmailBundle $bundle


delete_CkImap $imap