> On Dec 11, 2019, at 9:38 PM, li...@lazygranch.com wrote:
>
> I have a spammer who uses all sorts of "from" addresses but the same
> "reply" address. Any way to block this spammer in Postfix.
main.cf:
pcre = pcre:${config_directory}/
header_checks = ${pcre}header-checks.pcre
# Set empty, or keep existing non-default value
nested_header_checks =
mime_header_checks =
header-checks.pcre:
if /^Reply-To:/
# Adjust to exactly match the observed header
# Includes rule id in reject message
/[:\s<]spammer@example\.net[>\s]/ REJECT 5.7.1 Access denied R0001
/^/ DUNNO no more Reply-To rules
endif
--
Viktor.
