只能有一条，但是可以一条记录里面加多个ip
不能. 参见From RFC 4408:3.1.2. Multiple DNS Records A domain name MUST NOT have multiple ...
How to Include Multiple SPF Records in 1 TXT Record Now we’re going to use the correct syntax to merge all SPF records into one TXT entry. This will allow you to use multiple IPs or domains in 1 record, resolving the error we saw earlier. We’ll use Cloudflare in this example, but...
v=spf1 +a +mx include:_1c3125358d5b0660b2012471e2c2b23a.spf.dnssmarthost.net include:_spf.mailspamprotection.com ~all The version prefix (v=spf1) tells the parsers to interpret this TXT record as the SPF record since a domain can have multiple TXT records in its DNS zone. Then com...
SPF records must be published as a DNS TXT (type 16) Resource Record (RR) [RFC1035]. See RFC7208 for further detail. SPF is the cornerstone of your email delivery strategy. Are you confident your email is getting through? MxToolbox is YOUR expert on email deliverability. MxDelivery Cent...
SPF records are a type of DNS TXT record commonly used for email authentication. SPF records include a list of IP addresses and domains authorized to send emails from that domain. Learning Objectives After reading this article you will be able to: ...
To merge multiple SPF records into a single record, you need to incorporate all the mechanisms or values in the same record. Let’s assume you have the following SPF record for theElastic Email. v=spf1 a mx include:_spf.elasticemail.com ~all ...
If you’re only using Gmail to send your emails, this is how to SPF TXT record would look like: v=spf1 include: _spf.google.com ~all 4. Save the SPF record Once you’re done, hit save. To be safe, check on your DNS manager to ensure the record is there. The new record will...
A few other specific examples of SPF records include: SoftFail:This example allows email from the specified IP address but marks it as potentially suspicious. V=spf1 ip4:192.0.2.0/24 ~all HardFail:This SPF record example only allows emails to be sent from the specified IP address and rejects...
Hostname has returned multiple SPF Records The use of alternative DNS RR types that was formerly supported during the experimental phase of SPF was discontinued in 2014. SPF records must now only be published as a DNS TXT (type 16) Resource Record (RR) [RFC1035]. SeeRFC 7208for further de...