-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Ram kirjoitti 27.6.2016 16:11: > I am seeing messages that appear to come from the MD or the CEO of the > company to the accounts department asking people to transfer money to > some fake account > > These messages were initially few and I ignored. But now this has > become a problem. > I know these are not spam messages so catching them will be out of > scope for a spam filter. > > These messages have different envelope ids so SPF checks always pass. > The header from is properly formatted exactly how it will be in a normal mail > > What measures do you take for such spear phishing > > Thanks > Ram
DKIM & DMARC does not help? - -- Jari Fredriksson Bitwell Oy +358 400 779 440 ja...@bitwell.biz https://www.bitwell.biz - cost effective hosting and security for ecommerce -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iEYEARECAAYFAldxcT0ACgkQKL4IzOyjSrYxHwCgra5F0dHG2ZC/JjQn5Ld6wQN3 iAEAoJ+ITumf2eNmxmLJpNh44RNVPJwC =6v3y -----END PGP SIGNATURE-----