File extensions that are not allowed as attachments
From a security perspective, the Mail Server will reject inbound mails containing attachments with any of the following file extensions.
| .386 | .fon | .ocx |
| .ade | .fxp | .ops |
| .adp | .hlp | .ov |
| .adt | .hta | .pcd |
| .app | .htr | .pgm |
| .asd | .inf | .pif |
| .asp | .ini | .pl |
| .asx | .inp | .pm |
| .bas | .ins | .prg |
| .bat | .isp | .scr |
| .bin | .jar | .sct |
| .btm | .jse? | .shsb? |
| .cab | .keyreg | .shs? |
| .cbl | .ksh | .slb |
| .cbt | .lib | .smm |
| .cgi | .ink | .swf |
| .com | .mda | .swt |
| .cil | .mdb | .sys |
| .cla(ss)? | .mde | .vbe |
| .cmd | .mdt | .vbs |
| .cpe | .mdw | .vbx |
| .cpl | .mhtm | .vir |
| .crt | .mhtml | .vmx |
| .csc | .msc | .vxd |
| .csh | .msi | .wmd |
| .css | .msp | .wms |
| .cvp | .mst | .wmz |
| .dll | .mp3 | .wsc |
| .dot | .nte | .wsf |
| .drv | .nws | .wsh |
| .exe | .obj | .xms |
Kindly note: ‘?’ means any single character
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