From 7e09d8f537d2c95af57a3a9784d4daa83501a3a7 Mon Sep 17 00:00:00 2001 From: Mynacol <2505725-Mynacol@users.noreply.gitlab.com> Date: Mon, 29 May 2023 15:09:08 +0200 Subject: [PATCH] docs: add submissions DNS record for autodiscovery Add the submissions autodiscovery SRV DNS record for implicit TLS in SMTP (submission) connections according to [RFC 8314](https://www.rfc-editor.org/rfc/rfc8314#section-5.1). --- docs/autodiscovery.rst | 15 ++++++++------- 1 file changed, 8 insertions(+), 7 deletions(-) diff --git a/docs/autodiscovery.rst b/docs/autodiscovery.rst index 7f4d438..a630850 100644 --- a/docs/autodiscovery.rst +++ b/docs/autodiscovery.rst @@ -4,13 +4,14 @@ Autodiscovery `RFC6186 `_ allows supporting email clients to automatically discover SMTP / IMAP addresses of the mailserver. For that, the following records are required: -================ ==== ==== ======== ====== ==== ================= -Record TTL Type Priority Weight Port Value -================ ==== ==== ======== ====== ==== ================= -_submission._tcp 3600 SRV 5 0 587 mail.example.com. -_imap._tcp 3600 SRV 5 0 143 mail.example.com. -_imaps._tcp 3600 SRV 5 0 993 mail.example.com. -================ ==== ==== ======== ====== ==== ================= +================= ==== ==== ======== ====== ==== ================= +Record TTL Type Priority Weight Port Value +================= ==== ==== ======== ====== ==== ================= +_submission._tcp 3600 SRV 5 0 587 mail.example.com. +_submissions._tcp 3600 SRV 5 0 465 mail.example.com. +_imap._tcp 3600 SRV 5 0 143 mail.example.com. +_imaps._tcp 3600 SRV 5 0 993 mail.example.com. +================= ==== ==== ======== ====== ==== ================= Please note that only a few MUAs currently implement this. For vendor-specific discovery mechanisms `automx `_ can be used instead.