doc(mailer): add Sendinblue to transports supporting tags and metadata

pierreboissinot · web-flow · commit 1859757418b7 · 2021-02-24T21:45:59.000+01:00
diff --git a/mailer.rst b/mailer.rst
@@ -1209,6 +1209,7 @@ The following transports currently support tags and metadata:
 * Postmark
 * Mailgun
 * MailChimp
+* Sendinblue
 
 Development & Debugging
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