-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512 Hi,
Am Mo den 2. Dez 2013 um 16:54 schrieb Benoit Panizzon: > Today, I discovered, that emails whose envelope sender matched the DNS SPF > record, but whose From: Header did not (like after the envelope sender has > being rewritten by SRS) were rejected by a hosted exchange server provider. > > I got in contact with that admin and he told me that this was the way the SPF > check works in the Microsoft Exchange Forefront Server. > > Well, according to the RFC 4408 only HELO or MAIL FROM are being considered > for SPF. Not the From: header. > Is there anyone out there who can confirm, that Microsoft Exchange Forefront > Server realy has such a broken SPF implementation. Or did the exchange admin > just misconfigure his server? Yes, this is a common fact that microsoft does this wrong. Unfortunately the responsible "admins" are even worse and try to tell you that "this is from microsoft, that is a correct behaviour". You always have to work around this. I had one of this issue in Univerity too. Regards Klaus Ethgen - -- Klaus Ethgen http://www.ethgen.ch/ pub 4096R/4E20AF1C 2011-05-16 Klaus Ethgen <kl...@ethgen.de> Fingerprint: 85D4 CA42 952C 949B 1753 62B3 79D0 B06F 4E20 AF1C -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.15 (GNU/Linux) iQGcBAEBCgAGBQJSnLNHAAoJEKZ8CrGAGfasoFML/3sP8hb+6abrOtKMVM2PuBUu kGVhAG2pxIbA8nWWbVxcDmF92egdnU9Pzasrd93n/sNHqRL+eq1BP/BpXfSI40oB R2miR5gnVHa93+ddy1GsNoJXAahzM4IUakAfMK3JSMsPATngGPRy5tAmUm8jQ4jY w5rMgpIJK8gVd66/pImxKxacRpQiOGZ9u8c7C37JahS7CgZjyQwls8etJ78JsBPe ll365kHPVAxpIxqXLOoqgIKTYyz6SwNxrzDbrhqDEDLz5JfSACk9NqYwrw99DtH+ UwL1LCfSsam5HI0YtJ6J69HelYe7IgmA+tMBRiMPPtvQxdYWa0xvcoHV/W7EGDZj /RZq6eZahgKVHl0MZDFKHPAEtTGGUemeGKcAZDTGVCe5CQjuW+QVV4iMW/SJVPm+ g28VMaBH3Z92ubXx2RDLG5Zklx2BrMjzF8WUJ45jhZ2+SdNgBdQoQII18Jq7M1uV jRhTfRG4bJramJeFqZO+dsZWNVLOhpw0ViUrJGxsmQ== =0cYh -----END PGP SIGNATURE----- _______________________________________________ swinog mailing list swinog@lists.swinog.ch http://lists.swinog.ch/cgi-bin/mailman/listinfo/swinog
