Tan Mientras: > Hello > > Excuse my generic question, but I dont know where to start > *Is it possible to filter/detect/forbid mails containing invoice.exe as > attachment at postfix level?*
An example from https://www.postfix.org/header_checks.5.html /etc/postfix/main.cf: header_checks = pcre:/etc/postfix/header_checks.pcre /etc/postfix/header_checks.pcre: /^Content-(Disposition|Type).*name\s*=\s*"?([^;]*(\.|=2E)( ade|adp|asp|bas|bat|chm|cmd|com|cpl|crt|dll|exe| hlp|ht[at]| inf|ins|isp|jse?|lnk|md[betw]|ms[cipt]|nws| \{[[:xdigit:]]{8}(?:-[[:xdigit:]]{4}){3}-[[:xdigit:]]{12}\}| ops|pcd|pif|prf|reg|sc[frt]|sh[bsm]|swf| vb[esx]?|vxd|ws[cfh]))(\?=)?"?\s*(;|$)/x REJECT Attachment name "$2" may not end with ".$4"
