File extensions that are not allowed as attachments

From a security perspective, realtimehosting Mail Server would reject inbound mails containing attachments with any of the following file extensions:

.ade

.adp

.adt

.app

.asd

.asp

.asx

.bas

.bat

.bin

.btm

.cab

.cbl

.cbt

.cgi

.chm

.cil

.cla

.clas

.class

.cmd

.cpe

.cpl

.crt

.csc

.csh

.css

.cvp

.dll

.dot

.drv

.exe

.fon

.fxp

.hlp

.hta

.htr

.inf

.ini

.inp

.ins

.isp

.jar

.js

.jse

.keyreg

.ksh

.lib

.lnk

.mda

.mdb

.mde

.mdt

.mdw

.mht

.mhtm

.mhtml

.msc

.msi

.msp

.mst

.mp3

.nte

.nws

.obj

.ocx

.ops

.ov

.pcd

.pgm

.pif

.pl

.pm

.prg

.scr

.sct

.shb

.shs

.slb

.smm

.swf

.swt

.sys

.vbe

.vbs

.vbx

.vir

.vmx

.vxd

.wmd

.wms

.wmz

.wsc

.wsf

.wsh

.xms

.com