2
records
Mail Servers
TTL
mail.slack.com. 60 IN MX 10 feedback-smtp.us-east-1.amazonses.com.
SPF (Sender Policy Framework)
TTL
SPF
SPFv1
| Qualifier | Mechanism | Target / value | Valid | Details |
|---|---|---|---|---|
| + Pass | include |
|
||
| - Fail | all |
—
|
|
20m
mail.slack.com. 1200 IN TXT "v=spf1 include:_spfextra.slack.com -all"