Source
Message data, retention & security — found from sitemap — Lettermint
Checked for Lettermint on 1 Nov 2026
- Page
- https://lettermint.co/docs/platform/emails/tls
- Checked
- 1 Nov 2026, 09:36 UTC
- How we may use it
- Public page, crawling permitted
Technical details
- type
- page
- http status
- 200
- content hash
- sha256:61a417f632062a06d16b445607d298966326b12163b3c741df22b2d26fa7ddf0
- permission
- robots_ok
- screenshot
- Screenshot on file (internal exhibit, not published)
Cited by
Facts read from this source
-
Tls policy options Report an error
“Lettermint lets you choose whether TLS is preferred or required for outbound delivery on each transactional and broadcast route.”
-
Tls opportunistic behavior Report an error
“Lettermint attempts TLS and can deliver without it when the receiving server does not support TLS. Best compatibility and the default for new and existing routes.”
-
Tls enforced behavior Report an error
“Lettermint requires a successful TLS connection and never falls back to unencrypted delivery.”
-
Tls config precedence Report an error
“The TLS policy can be configured at the route level and overridden for an individual email.”
-
Tls inbound routes Report an error
“Inbound routes do not have an outbound TLS policy because they receive rather than deliver email.”
-
Tls smtp header Report an error
“Add X-LM-Override-TLS to override the selected route for one SMTP message”
-
Tls enforced failure no retry Report an error
“Lettermint does not retry these deterministic policy failures without TLS.”
-
Tls failure webhook Report an error
“A terminal enforced-TLS failure emits a message.failed webhook with: response.status_code set to 550 reason_code set to enforced_tls_failed”
-
Tls soft bounce retry Report an error
“Temporary network, connection, or TLS errors continue through the normal retry process and can emit message.soft_bounced events.”
-
Team API route update Report an error
“Update the default policy for a route through the Team API”
-
Sending API tls setting Report an error
“Use settings.tls to override the selected route for one email”
Scores citing this record
- The Agency Lead Message data, retention & security
- The Data Protection Officer Message data, retention & security
- The Shop Operator Message data, retention & security
- The Platform Engineer Message data, retention & security
- The SaaS Developer Message data, retention & security
- The Skeptic Message data, retention & security