QUOTE(Farelf @ Oct 18 2006, 08:22 PM)

More importantly you should require your mail service provider to do something about stopping the cause of being on the blocklist (spam is being sent from 200.13.249.115). They would know about the problem - SpamCop reports go to abuse[at]epm.net.co for the mail.une.net.co hosted service.
To give you an idea of what is being reported from that server, here are some of the reports:
CODE
Report History:
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Submitted: Wednesday, October 18, 2006 11:11:59 AM -0400:
=?Windows-1252?Q?Obligados_Declaraci=F3n_de_Renta_32349?=
1973547329 ( 200.13.249.115 ) To: spamcop[at]imaphost.com
1973547299 ( 200.13.249.115 ) To: abuse[at]epm.net.co
--------------------------------------------------------------------------------
Submitted: Tuesday, October 17, 2006 5:40:52 PM -0400:
=?windows-1252?Q?Obligados_Declaraci=F3n_de_Renta_280130?=
1972396816 ( 200.13.249.115 ) To: abuse[at]epm.net.co
--------------------------------------------------------------------------------
Submitted: Saturday, October 14, 2006 4:17:54 AM -0400:
1966063154 ( 200.13.249.115 ) To: spamcop[at]imaphost.com
1966063133 ( 200.13.249.115 ) To: abuse[at]epm.net.co
--------------------------------------------------------------------------------
Submitted: Wednesday, October 11, 2006 2:10:12 PM -0400:
=?windows-1252?Q?Correcci=F3n,_Estructura,_Estilo,_P=E1rrafos...?=
1961678220 ( 200.13.249.115 ) To: abuse[at]epm.net.co
--------------------------------------------------------------------------------
Submitted: Wednesday, October 11, 2006 5:41:22 AM -0400:
La pomadita
1961074901 ( 200.13.249.115 ) To: spamcop[at]imaphost.com
1961074894 ( 200.13.249.115 ) To: abuse[at]epm.net.co
--------------------------------------------------------------------------------
Submitted: Saturday, October 07, 2006 8:14:16 PM -0400:
=?windows-1252?Q?C=F3mo_Ser_M=E1s_Efectivo_--_337511?=
1956256265 ( 200.13.249.115 ) To: abuse[at]epm.net.co