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# Mold Remover
# A short python script to remove old read mail from a pop3 mailserver.
# Dovetails with fetchmail with keep option.
# Run it as a cron job...
# Version 0.1 by James Stone (stone1@btinternet.com)
# please submit bug reports and code optimisations as you see fit!
import string
import poplib
import time
#user editable section
mailserver=["mail.server1","mail.server2"] #list of mailservers
login=["login1","login2"] #list of logins for corresponding mailserver
password=["pass1","pass2"] #list of passwords (note: chmod 700 for this script)
days=2 #number of days to keep on server.
localuidlcache="/var/mail/.fetchmail-UIDL-cache" #fetchmail's UIDL cache
localuidldate="/var/mail/.UIDLDate" #mold remover's UIDL datefile
#end of user editable section
readfile=open(localuidlcache, 'r')
datefile=open(localuidldate, 'a+')
tempfile=open("/tmp/uidltmp", 'w+')
popuidllist=[] #list of undeleted uidls on all servers
totnum=0 #number of undeleted messages on all servers
connectedto=-1
#connect to each mailserver get all the new message UIDLs and delete any
#expired messages.
for a in range(len(mailserver)):
connect=poplib.POP3(mailserver[a])
connect.user(login[a])
connect.pass_(password[a])
connectedto=a
number,size=connect.stat()
totnum+=number
for mesnum in range(number):
messagedeleted=0
datefile.seek(0)
for uidldate in datefile:
uidldatesplit=uidldate.split(' ')
if(connectedto==int(uidldatesplit[2])):
if (time.time()-float(uidldatesplit[1]))>(86400*days):
try:
recheckuidl=connect.uidl(mesnum+1)
recheckuidlsplit=recheckuidl.split(' ')
if (recheckuidlsplit[2]==uidldatesplit[0]):
print('deleting'+recheckuidlsplit[1])
print(connect.dele(recheckuidlsplit[1]))
messagedeleted=1
totnum-=1
except poplib.error_proto:
pass #skip over messages that have already been deleted.
if not(messagedeleted):
popuidllist.append(connect.uidl(mesnum+1)+' '+str(a))
connect.quit()
#get rid of lines in uidldate file corresponding to the messages that have been
#expired (and hopefully been deleted)
datefile.seek(0)
for uidldate in datefile:
uidldatesplit=uidldate.split(' ')
if not(time.time()-float(uidldatesplit[1]))>(86400*days):
tempfile.write(uidldate)
datefile.close()
datefile=open(localuidldate,'w+')
tempfile.seek(0)
for line in tempfile:
datefile.write(line)
datefile.close()
datefile=open(localuidldate,'a+')
#add date to uidl for any messages still on the server which have been read
#(check in readfile) and store in local datefile.
for mesnum in range(totnum):
popuidl=popuidllist[mesnum]
popuidlsplit=popuidl.split(' ')
readfile.seek(0)
for localuidl in readfile:
if(localuidl.find(popuidlsplit[2])<>-1):
foundindatefile=0
datefile.seek(0)
for stored in datefile:
if (stored.find(popuidlsplit[2])<>-1):
foundindatefile=1
if not(foundindatefile):
datefile.write(popuidlsplit[2]+' '+str(time.time())+' '
+popuidlsplit[3]+'\n')
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