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Need MIME utility for email messages?

Keywords:     MIME encode unencode decode

Question:

I am looking for DLL, EXE or whatever that does Mime conversion (at least decoding of messages and attached files) in batch mode, so that messages retrieved via POP calls (and sent via SMTP) may be handled correctly.

I could write it myself, but it's probably a lot of work. What I'd like to do is retrieve a message into a local file, then call the utility and have it parse, decode and store the various message parts into separate files that can then be processed further.

Answer:

See the Postie extender for sending and receive POP3 in MIME format.

Option #1: Third Party Utility

I don't know if this ShareWare meets your needs, but take a look.

I tried it to convert messages with attached files:

XFERPRO Version 1.1

Information Transfer Professional

Transfer Any Information Format, such as Video, Audio,Application Data or Image, via Internet Electronic Mail or InternetConnected Networks & On-Line Services

For Microsoft Windows,� Windows for Workgroups 3.1/3.11,Windows 95 or Windows NT.

XFERPRO Copyright � 1994-6 by Sabasoft, Inc.
All Rights Reserved.

Sabasoft, Inc.
924 Bayhill Avenue
Naperville, IL 60565 USA

Or, point your browser to:

        http://members.aol.com/sabasoft
        http://www.sabasoft.com

Option #2: Sample Code from One of Our Users:

Use any commercial mail reader such as Netscape, IE, or AGENT to send EMAIL message with one or more attached MIME files. Messages sent via mailing list, and files are ZIPPED at mail time. Zipped file content can be controlled by day of week and by customer mailing list. Source code with comments.

;----------------------------------------------
;MAIL.WBT
;  Automated Mail Manager for Netscape
;  Ver 1.0      3/17/98   
;      1.1      3/23/98   added Timer file on Mondays + holiday on Monday
;      1.2      4/30/98   added member list as param1
;      1.3      5/4/98    send now instead of send later, 1 sec delays added
;                         to F)ile Ctl characters
;      1.4      5/8/98    Send new profile.cfg each day
;      1.5      5/15/98   Switch from Netscape to Agent
;      1.6      5/17/98   Process histories into cust zip files
;                         Process upgrades into cust zip files
;      1.7      6/1/98    Calculate time delay by file size
;------------------------------------------------------------------
  AddExtender ("wwwsk34I.dll")

  DT   = "%param2%"

  MAIL_DT=TimeYmdHms()
;DT="98:03:16:19:35:15"      ; override processing date for testing

;SETUP
;----------------------------------------------
  ONCANCEL="EXIT"
  gosub INIT_MAIL_TIME
  gosub INIT_FILE_DATE_TIME   ; get yymmdd, hhmm, day + prev day from DT
  gosub INIT_FILES       ; netscape, message, to_file, attach_file, @zip File
  gosub ASSIGN_NETSCAPE_VARIABLES

;=======================================================================
; MAIN PROGRAM
;=======================================================================

; testing
; ---------

gosub start_agent
boxopen("MAIL","Calling AT&T")
gosub connect_line
boxshut()
winactivate("~Agent")
MouseMove(500,700,"~Agent","")
;read mail list
  f_to=FileOpen (TO_file,"READ")
  while @true
  timedelay(1)
    member_info=FileRead(f_to)
    if member_info == "*EOF*" then break
    col_1=StrSub(member_info,1,1)
      if StrCmp(col_1,":") == 0 
        timedelay(1)
        continue
      endif
      if StrCmp(col_1,";") == 0 
        timedelay(1)
        continue
      endif
    gosub make_message
  endwhile
  FileClose(f_to)
;end mailing list

;exit_mail
;-----------
sendkey("!F")
timedelay(1)
sendkey("X")
nRet = DUNDisconnect (hConn)
exit

;=======================================================================
; ROUTINES
;=======================================================================
;---------------------
:start_agent
;---------------------
  dirchange ("C:\program files\agent")
  run(Agent,"")
  dirchange("D:\MAIL")
  timedelay(3);
return

;---------------------
:connect_line
;---------------------
gosub connect_att
bytes=0
while 1
  timedelay(4)
  td=wxGetInfo(3,hConn)
  if td == bytes then break
  bytes = td
endwhile
return

;==================================================================
:make_message
;==================================================================
member_count=member_count+1
first_name=StrCat(ItemExtract(1,member_info,","),",")
timedelay(1)
winactivate("~Agent")
email_address=ItemExtract(2,member_info,",")
timedelay(1)
password=ItemExtract(3,member_info,",")
hist_file  = StrCat("D:\MAIL\",password,".HST")
timedelay(1)
Stk_yn=ItemExtract(4,member_info,",")
MF_yn=ItemExtract(5,member_info,",")
Fut_yn=ItemExtract(6,member_info,",")
Tmr_yn=ItemExtract(7,member_info,",")
file_profile=StrCat(stk_yn,mf_yn,fut_yn,tmr_yn)

if (StrCmp(StrUpper(file_profile),"NNNY") == 0 ) ;Send Stock/Timer only 
    timedelay(4)
    if (StrCmp(day,"Sun") == 0) then goto msg_continue
    if (StrCmp(day,"Mon") == 0) then return
    if (StrCmp(day,"Tue") == 0) then return
    if (StrCmp(day,"Wed") == 0) then return
    if (StrCmp(day,"Thu") == 0) then return
    if (StrCmp(day,"Fri") == 0) then return
endif

  if (StrCmp(StrUpper(tmr_yn),"N") == 0) 
       if(StrCmp(day,"Sun") == 0) then return
    endif


  
:msg_continue

if (StrCmp(holiday_today,"YES") == 0)
   timedelay(4)
   if (StrCmp(day,"Mon") == 0) then return
   if (StrCmp(day,"Tue") == 0) then return
   if (StrCmp(day,"Wed") == 0) then return
   if (StrCmp(day,"Thu") == 0) then return
   if (StrCmp(day,"Fri") == 0) then return
   ;don't send any files on holidays no exceptions 
endif 

;NEW_MESSAGE
sendkey("!P")
timedelay(1)
sendkey("E")
timedelay(1)
WinWaitExist("~[No Subject]",5)
sendkey("!T")                ;To
sendkey(email_address)       
timedelay(1)
sendkey("!B")                ;suBject
   timedelay(1);
subject=StrCat("PISCES FILE FOR ",YYMMDD)
sendkey(subject)
   timedelay(1);
sendkey("!X")                ;teXt
   timedelay(1);
gosub get_message            ; enters message text
   timedelay(1)
gosub MAKE_ZIPS ; uses variables password,stk_yn,fut_yn,mf_yn 
   timedelay(1)

;CALCULATE SEND DELAY
;---------------------
;  attach_file now includes all histories, updates, etc 
fsize=FileSize(attach_file_name)
send_delay = int (fsize/bytes_per_sec)
if send_delay < 40 then send_delay=send_delay+5
winactivate("~Agent")   

;ATTACH_FILE
;---------------------
sendkey("!A")       ; Attach
    timedelay(1)
sendkey("!A")        ; Add
    timedelay(1)
sendkey(Attach_file_name)               ; specify attach file name-path
   timedelay(2)
sendkey("!O")        ;Open
   timedelay(1)
sendkey(enter)
   timedelay(1)
;SEND_MAIL_NOW
sendkey("!M")       ;Message
   timedelay(1)
sendkey("N")        ;send Now

:data_sent
xmt_sec=0
boxopen( strcat(email_address," TIME_DELAY=",send_delay," LETTER COUNT=",member_count),xmt_sec)
while 1
  timedelay(1)
  xmt=wxGetInfo(3,hConn)
  rcv=wxGetInfo(4,hConn)
  xmt_sec = xmt_sec+1
  boxtext(strcat("SECONDS=",xmt_sec,"  XMIT=",xmt,"  RCV=",rcv) )
  if xmt_sec >= send_delay then break
endwhile
boxshut()
winactivate("~Agent")   

return
;=========================================================================
;  END OF SEND MESSAGE
;=========================================================================


;----------------------
:cancel
;---------------------
%oncancel%
exit


:redial
timedelay(30)


;---------------------
:connect_ATT
;-----------------------
  sTitle = "INTERNET"
  hConn = 0
  sdial="WorldNet"
  hConn = DUNConnect (sDial)
  nErr = wxGetLastErr()
  if (!hConn)
select (nErr)
  case @SErrBusy
       Message (sTitle,"Couldn't connect to %sDial%: Line busy.")
               break
  case @SErrNoAnswer
       Message (sTitle,"Couldn't connect to %sDial%: No answer.")
               break
  case @SErrVoice
       Message (sTitle,"Couldn't connect to %sDial%: A human answered.")
               break
  case nErr
       display (5,sTitle,"Couldn't connect to %sDial%: Error %nErr%.")
               break
 end select
        goto redial
else

boxopen (sTitle,"Connected to %sDial%.%@CRLF%Connect handle = %hConn%, error %nErr%.")
timedelay(5)
boxshut()
endif
return


;---------------------------
:get_message
;---------------------------
gosub init_mail_time

timedelay(1)
  sendkey(first_name)
  timedelay(1)
  sendkey(enter)
  msg="Here is your "

  if (StrCmp(StrUpper(tmr_yn),"Y") == 0 ) 
      if (StrCmp(day,"Sun") == 0) then msg=StrCat(msg,"Timer/Newsletter-")
  endif

  if (StrCmp(day,"Sun") == 0) then goto msg_sunday
  if (StrCmp(holiday_today,"NO") == 0)
      if (StrCmp(StrUpper(stk_yn),"Y") == 0) then msg=StrCat(msg,"Stocks-")
      if (StrCmp(StrUpper(fut_yn),"Y") == 0 ) then msg=StrCat(msg,"Futures-")
      if (StrCmp(StrUpper(mf_yn),"Y") == 0 ) then msg=StrCat(msg,"Funds-")
      if FileExist(hist_file) == 1 then msg=StrCat(msg,"Histories-")
   endif
  
:msg_sunday
  msg=StrCat(msg," File... Sent ",MAIL_DAY,", ",MAIL_HHMM)
  sendkey(msg)
  sendkey(enter)

  if (StrCmp(holiday_today,"YES") == 0)
    if (StrCmp(StrUpper(tmr_yn),"Y") == 0 ) 
      if (StrCmp(day,"Mon") == 0) then sendkey("*** HAPPY HOLIDAY ***")
      if (StrCmp(day,"Mon") == 0) then sendkey(enter)
    endif
  endif
  
  msg=FileOpen (message_file,"READ")
    while @true
       m=FileRead(msg)
       if m == "*EOF*" then break
       sendkey(m)
       sendkey(enter)
    endwhile
  FileClose(msg)
return

;----------------------------
:init_mail_time
;----------------------------
  MAIL_DT=TimeYmdHms()
  MAIL_HHMM=StrSub(MAIL_DT,10,5)
  MAIL_YYMMDD=StrCat(StrSub(DT,1,2),StrSub(DT,4,2),StrSub(DT,7,2))
    J=TimeJulianDay(MAIL_DT)
    c=(J+5) mod 7
    MAIL_DAY=ItemExtract(c+1, "Sun Mon Tue Wed Thu Fri Sat"," ")
return

;----------------------------
:init_file_date_time
;----------------------------
  HHMM=StrSub(DT,10,5)
  DTm1=DT
  YYMMDD=StrCat(StrSub(DT,1,2),StrSub(DT,4,2),StrSub(DT,7,2))
  MATCH=" "
  holiday_today = "NO"
  WHILE @true ; get prev market day, skip over wkends, holidays
    DTm1=TimeSubtract(DTm1,"00:00:01:00:00:00")
    YYMMDDm1=StrCat(StrSub(DTm1,1,2),StrSub(DTm1,4,2),StrSub(DTm1,7,2))
    MMDDYYm1=StrCat(StrSub(DTm1,4,2),"/",StrSub(DTm1,7,2),"/",StrSub(DTm1,1,2))
    MMDDYY=StrCat(StrSub(DT,4,2),"/",StrSub(DT,7,2),"/",StrSub(DT,1,2))
    J=TimeJulianDay(DTm1)
    c=(J+5) mod 7
    DAY=ItemExtract(c+1, "Sun Mon Tue Wed Thu Fri Sat"," ")
    if StrCmp(day,"Sat") == 0 then continue
    if StrCmp(day,"Sun") == 0 then continue
      h=FileOpen ("C:\HOLIDAYS.TXT","READ")
      while @true
         MMDDYY_H=FileRead(h)
         if MMDDYY_H == "*EOF*" then break
         if StrCmp(MMDDYY_H,MMDDYYm1) == 0 then match=mmddyy_h
         if StrCmp(MMDDYY_H,MMDDYY) == 0 then holiday_today = "YES"
      endwhile
      FileClose(h)
    if StrCmp(MMDDYYm1,match) == 0 then continue
    break
   endwhile
    J=TimeJulianDay(DT)
    c=(J+5) mod 7
    DAY=ItemExtract(c+1, "Sun Mon Tue Wed Thu Fri Sat"," ")
return

;------------------------------
:init_files
;------------------------------
  netscape     = "C:\program files\netscape\communicator\program\netscape.exe"
  agent        = "C:\program files\agent\agent.exe"
  message_file = "D:\MAIL\MESSAGE.TXT"        ;contains message text
  to_file      = "%param1%"
  zip_file_name    = strcat("D:\MAIL\PK",YYMMDD,".ZIP") ; PK980312.ZIP
  attach_file_name = strcat("D:\MAIL\PK",YYMMDD,".EXE") ; PK980312.EXE
  profile_file_name="D:\MAIL\PROFILE.CFG"
  fut_path   = StrCat(Environment("FUT"),"\MAXX\FU")
  stk_path   = StrCat(Environment("STAGING"),"\MAX-ST\ST")
  mf_path    = StrCat(Environment ("MF"),"\MAX\MF")
  stk_file   = StrCat(stk_path,YYMMDD,".PRN")
  fut_file   = StrCat(fut_path,YYMMDD,".PRN")
  fut_filem1 = StrCat(fut_path,YYMMDDm1,".PRN")
  mf_file    = StrCat(mf_path,YYMMDD,".PRN")
  mf_filem1  = StrCat(mf_path,YYMMDDm1,".PRN")
  holiday_file="C:\HOLIDAYS.TXT"
  zip_list_file = "D:\MAIL\ZIPFILES.LST"
  timer_file = "C:\TIMER\STKDATA.EXE"
  items_file = "C:\PACKIT\MASTER.PAK"
  pkzip      = "C:\U\PKZIP.EXE"
  zip2exe    = "C:\U\ZIP2EXE.EXE"
return

;------------------------------
:assign_netscape_variables
;------------------------------
  mail="-MAIL"                              
  get_messages="!FTN"
  enter="~"
  tab="{TAB}"
  send_mail_later="!FL"
  send_unsent="!FM"
  member_count=0
  send_delay= 0
  fsize=0
  bytes_per_sec=1800
  
return

;-----------------------------------------------------------------
:sendstr
;-----------------------------------------------------------------
;parce string into characters with 1 sec delay
x=0;
timedelay(1)
while x < 100 
  x=x+1
  a=strsub(str,x,1)
  sendkey(a)
  timedelay(1)
  if x== strlen(str) then break
endwhile 
return


;-----------------------------------------------------------------
:make_zips    ;uses variables password,stk_yn,fut_yn,mf_yn,tmr_yn 
;-----------------------------------------------------------------
;zip parms
  if FileExist(attach_file_name) == 1 then FileDelete(attach_file_name)
  if FileExist(zip_file_name) == 1 then FileDelete(zip_file_name)
  if FileExist(profile_file_name) == 1 then FileDelete(profile_file_name)
  parm=StrCat("-S",password,"MAIL"," -O ") ;passwd + overwrite
;Create Profile File
  fp=FileOpen(profile_file_name,"WRITE")
  FileWrite(fp,member_info)
  FileClose(fp)

;Create Zip control file
  fw=FileOpen(zip_list_file,"WRITE")
  FileWrite(fw,StrCat(":MAIL ZIP FILE CONTROL ",YYMMDD," TIME ",HHMM)  )
  FileWrite(fw,":====================================================")
  FileWrite(fw,profile_file_name)
  zips=StrCat(parm,zip_file_name," @",zip_list_file)

if(StrCmp(day,"Sun") == 0) then goto file_continue
  
  if (StrCmp(holiday_today,"NO") == 0)
       if (StrCmp(StrUpper(stk_yn),"Y") == 0) then FileWrite(fw,stk_file)
       if (StrCmp(StrUpper(fut_yn),"Y") == 0 ) then FileWrite(fw,fut_filem1)
       if (StrCmp(StrUpper(fut_yn),"Y") == 0 ) then FileWrite(fw,fut_file)
       if (StrCmp(StrUpper(mf_yn),"Y") == 0 ) then FileWrite(fw,mf_filem1)
       if (StrCmp(StrUpper(mf_yn),"Y") == 0 ) then FileWrite(fw,mf_file)
       if (StrCmp(day,"Fri") == 0) then FileWrite(fw,items_file)
   endif

  if (StrCmp(holiday_today,"YES") == 0) then FileWrite(fw,holiday_file)
:file_continue   
  if (StrCmp(StrUpper(tmr_yn),"Y") == 0) 
    if(StrCmp(day,"Sun") == 0) then FileWrite(fw,timer_file)
  endif

gosub process_histories
gosub process_upgrades

FileClose(fw)

;Make Zip file

 boxopen("MAIL","Zip Files")
 runwait ("c:\u\pkzip.exe",zips)
 boxtext("Zip2Exe Files")
 runwait("c:\u\zip2exe.exe",zip_file_name)
 boxshut()
return


:process_histories
;---------------------------
if FileExist(hist_file) == 1
  hist_path  = "d:\hist-all\"
  hst=FileOpen (hist_file,"READ")
    while @true
       h=FileRead(hst)
       if h == "END_LIST" then break
       item=strcat(hist_path,h)
;      if FileExist(item) == 1 then message("History File",item)
       if FileExist(item) == 1 then  FileWrite(fw,item)
    endwhile
  FileClose(hst)
 filedelete(hist_file)
endif
return

:process_upgrades
;-----------------
upgrade_file  = "d:\mail\upgrade.txt"
if FileExist(upgrade_file) == 1
  upg=FileOpen (upgrade_file,"READ")
    while @true
       u=FileRead(upg)
       if u == "*EOF*" then break
;      if FileExist(u) == 1 then message("UPGRADE FILE",u)
       if FileExist(u) == 1 then  FileWrite(fw,u)
    endwhile
  FileClose(upg)
endif
return

Article ID:   W13171

Filename:   MIME Utility for Email Messages.txt

File Created: 2001:03:01:14:39:22

Last Updated: 2001:03:01:14:39:22