Judging from the login screen, spamfilter.io looks like a SpamExperts instance.
Groetjes,
Louis
Op vrijdag 15 augustus 2025 om 18:37, schreef Alessandro Vesely via mailop
<mailop@mailop.org>:
> I send a few complaints daily. Sometimes they bounce. Rejection because of
> wrong SPF checks is rather common, as I sport a -all. Usually it is after of
> forwarding. This one is different. The message arrived right at the recipient
> (kelilab):
>
> Received: from wmail.tana.it ([94.198.96.74]:53101)
> by portale.keliweb.it with esmtps (TLS1.2) tls
> TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384
> (Exim 4.98.1)
> (envelope-from <ab...@tana.it [ab...@tana.it]>)
> id 1umks0-000000007tL-3bjD
> for ab...@kelilab.it [ab...@kelilab.it];
> Fri, 15 Aug 2025 05:12:56 +0200
>
> However, before delivering, they wanted to pass the message through
> spamfilter.io. The result:
>
> Reporting-MTA: dns; portale.keliweb.it
> Action: failed
> Final-Recipient: rfc822;ab...@kelilab.it [ab...@kelilab.it]
> Status: 5.0.0
> Remote-MTA: dns; mx.spamfilter.io
> Diagnostic-Code: smtp; 550 185.17.106.230 is not allowed to send mail from
> tana.it. Please see the SPF record, with scope mfrom, identity ab...@tana.it
> [ab...@tana.it], and ip 185.17.106.230
>
> 185.17.106.230 is portale.keliweb.it and kelilab.it;
> spamfilter.io is a professional spam filter. Is it?
>
> Best
> Ale
> --
>
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