acl_smtp_data = acl_check_data

...

acl_check_data:

...

	warn	set acl_m0	= ${dlfunc{/usr/local/libexec/exim/exim-dlfunc.so}{rspamd}\
				{127.0.0.1 11333}{defer_ok}}

	warn	condition	= ${if eq{$acl_m0}{}{yes}{no}}
		logwrite	= RSPAMD check failed
		add_header	= X-Rspamd-Info: RSPAMD check failed
	warn	condition	= ${if match{$acl_m0}{\N^rspamd dlfunc:\s*\N}{yes}{no}}
		logwrite	= RSPAMD check defer: ${sg{$acl_m0}{\N^rspamd dlfunc:\s*\N}{}}
		add_header	= X-Rspamd-Info: RSPAMD check deffered: ${sg{$acl_m0}{\N^rspamd dlfunc:\s*\N}{}}
		set acl_m0	= 
	warn	condition	= ${if eq{$acl_m0}{}{no}{yes}}
		set acl_m1	= ${if match{$acl_m0}\
				{\N^RSPAMD answer: RSPAMD/(\S+) 0 EX_OK\N}{$1}{}}
		logwrite	= RSPAMD check: RSPAMD protocol version: ${if eq{$acl_m1}{}{not found}{$acl_m1}}
		add_header	= X-Rspamd-Protocol-Version: ${if eq{$acl_m1}{}{not found}{$acl_m1}}
	warn	condition	= ${if eq{$acl_m0}{}{no}{yes}}
		set acl_m1	= ${if match{$acl_m0}\
				{\N^RSPAMD answer: RSPAMD/(.+?\r\n)+Action: (.+?)\r\n\N}{$2}{}}
		set acl_m1	= ${if eq{$acl_m1}{}{unknown}{\
				    ${if eq{$acl_m1}{reject}{Spam}{\
					${if eq{$acl_m1}{soft reject}{Probably spam}{\
					    ${if eq{$acl_m1}{rewrite subject}{Probably spam}{\
						${if eq{$acl_m1}{add header}{Probably spam}{\
						    ${if eq{$acl_m1}{greylist}{Probably spam}{\
							${if eq{$acl_m1}{no action}{Ham}{unknown}}\
						    }}\
						}}\
					    }}\
					}}\
				    }}\
				}}
		logwrite	= RSPAMD check: RSPAMD status: $acl_m1
		add_header	= X-Rspamd-Status: $acl_m1
	warn	condition	= ${if eq{$acl_m0}{}{no}{yes}}
		set acl_m1	= ${if match{$acl_m0}\
				{\N^RSPAMD answer: RSPAMD/.+?\r\nMetric: \S+?; (\S+?); (-?\d+\.\d+ / \d+\.\d+ / \d+\.\d+)\N}{$2}{}}
		logwrite	= RSPAMD check: RSPAMD scores: ${if eq{$acl_m1}{}{not found}{$acl_m1}}
		add_header	= X-Rspamd-Score: $acl_m1
	warn	condition	= ${if eq{$acl_m0}{}{no}{yes}}
		set acl_m1	= ${sg{$acl_m0}{\N(?s)^RSPAMD answer: RSPAMD/.+?\r\n((?:.*\r\n)+)Action: .+?\r\n((?:.*\r\n)+)\r\n$\N}\
				{\$1\$2}}
		set acl_m1	= ${sg{$acl_m1}{\N\r\N}{}}
		logwrite	= RSPAMD check: RSPAMD report: ${if eq{$acl_m1}{}{not found}{$acl_m1}}
		add_header	= X-Rspamd-Report: ${sg{$acl_m1}{\N\n(.)\N}{\n\t\$1}}