SPF check is always neutral

[Alex]

Part of headers from email, sensitive data changed:

‌

Authentication-Results: example.com;

‌ iprev=pass;

‌ spf=neutral (example.com: undefined is neither permitted nor denied by domain of [e-mail]) smtp.mailfrom=[e-mail] smtp.helo=mail-lj1-f175.google.com;

‌ dkim=pass header.i=@gmail.com header.s=20230601 header.a=rsa-sha256 header.b=TrM8korY;

‌ dmarc=pass (p=NONE sp=QUARANTINE arc=none) header.from=gmail.com header.d=gmail.com

Received-SPF: neutral (example.com: undefined is neither permitted nor denied by domain of [e-mail]) client-ip=undefined;

X-Haraka-FCrDNS: mail-lj1-f175.google.com

X-Rspamd-Bar: /

X-Rspamd-Report: DMARC_POLICY_ALLOW(-0.5) R_DKIM_ALLOW(-0.2) MIME_GOOD(-0.1) MIME_BASE64_TEXT(0.1) R_SPF_ALLOW(-0.2)

X-Rspamd-Score: -0.9

X-Haraka-GeoIP-Received: 209.85.208.175:US

[SH]

fix #1047 invalid IP source

→ <<cset 4d8a1bb9f9bd>>