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1
Issue
29
IPv4 addresses
1
IPv6 address
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable.
v=spf1 mx ptr a:tbms.datainfosys.net a:dilsmtp.datainfosys.net a:smtp.datainfosys.net a:dilmail1.datainfosys.net ~all
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Terms
mx
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
ptr:
.
PTR checks should no longer be used. See
RFC 7208, section 5.5
.
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
21 IPv4 addresses
1 IPv6 address
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
pass
if the sender's IP address is in the A or AAAA record of this domain.
2 IPv4 addresses
or else
~all
soft fail
the email's SPF check.
Included records
v=spf1 mx ptr a:tbms.datainfosys.net a:dilsmtp.datainfosys.net a:smtp.datainfosys.net a:dilmail1.datainfosys.net ~all
The 'ptr' mechanism shouldn't be used because it's slow, resource intensive, and not very reliable