I had a server that is running Windows Server 2008 with Exchange 2007. I had disabled IPv6 on this server, as I am only using IPv4 for my external IP. On my DNS entries, I not IPv6 entry. But I view log detail
Send email Yahoo: IPV4
Send Gmail: IPV6 . This is my error
Log on account gmail: Received-SPF: fail (google.com: domain of prvs=8118407DD3=abc@abc.com does not designate 2002:74c1:4782::74c1:4782 as permitted sender) client-ip=2002:74c1:4782::74c1:4782;
Log on Edge tranport
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | < | 250-mx.google.com at your service, [2002:74c1:4782::74c1:4782] | ||
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | < | 250-SIZE 35882577 | ||
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | < | 250-8BITMIME | ||
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | < | 250-ENHANCEDSTATUSCODES | ||
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | < | 250-PIPELINING | ||
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | < | 250 CHUNKING | ||
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | * | 8933985 | sending message | |
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | > | MAIL FROM:<prvs=8118407DD3=abc@abc.com> SIZE=4279 | ||
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | > | RCPT TO:<abc@gmail.com> | ||
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | < | 250 2.1.0 OK ay1si13572121pbd.66 - gsmtp | ||
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | < | 250 2.1.5 OK ay1si13572121pbd.66 - gsmtp | ||
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | > | BDAT 3503 LAST | ||
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | < | 250 2.0.0 OK ay1si13572121pbd.66 - gsmtp | ||
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | > | QUIT | ||
| 2002:74c1:4782::74c1:4782:30506 | 2607:f8b0:400e:c02::1b:25 | < | 221 2.0.0 closing connection ay1si13572121pbd.66 - gsmtp | ||
I do not know reason ?
Please help me