Érdemes a mail szerveren a vírusirtót kicsit felhergelni az ilyen kiterjesztésekre.
Amavis esetén ezek a sorok sokat segítenek:
# allow trash sections of docx files
[ qr'^\[trash\]/[0-9a-f]{4}\.dat$' => 0 ],# block certain double extensions anywhere in the base name
qr'\.[^./]*\.(exe|vbs|pif|scr|bat|cmd|com|cpl|dll)\.?$'i,qr'\{[0-9a-f]{8}(-[0-9a-f]{4}){3}-[0-9a-f]{12}\}?$'i, # Windows Class ID CLSID, strict
qr'^application/x-msdownload$'i, # block these MIME types
qr'^application/x-msdos-program$'i,
qr'^application/hta$'i,qr'.\.(exe|vbs|pif|scr|bat|cmd|com|cpl)$'i, # banned extension - basic
qr'.\.(ade|adp|app|asp|aspx|asx|bas|bat|bgi|cab|cer|chm|cmd|cnt|com|cpl|crt|csh|der|diagcab|emf|exe|fxp|gatget|grp|hlp|hpj|hta|htc|
inf|ins|isp|iso|its|jar|jnlp|js|jse|ksh|lnk|mad|maf|mam|maq|mar|mas|mat|mau|mav|maw|mcf|mda|mdb|mde|mdw|mdt|mdz|msc|msh|msh1|msh2|mshxtml|msh1xml|msh2xml|msi|msp|mst|msu|ops|pcd|pif|pl|prf|prg|printerexport|ps1|ps1xml|ps2|ps2xml|psc1|psc2|psd1|psdm1|pst|py|pyc|pio|pyw|pyz|pyzw|reg|scf|scr|sct|shb|shs|theme|tmp|url|vb|vbe|vbs|vhd|vhdx|vsmacros|vsw|webpnp|website|wmf|wsc|wsf|wsh|xbap|xll|xnk|img)$'ix, # banned ext - long