From 3c5d3879cb93662a26d0ebe25f76fec0621e4d53 Mon Sep 17 00:00:00 2001 From: JaapD Date: Tue, 16 Mar 2021 10:09:38 +0100 Subject: [PATCH] Updated Configure DKIM (markdown) --- Configure-DKIM.md | 6 +++++- 1 file changed, 5 insertions(+), 1 deletion(-) diff --git a/Configure-DKIM.md b/Configure-DKIM.md index 67db3e1..edd5038 100644 --- a/Configure-DKIM.md +++ b/Configure-DKIM.md @@ -100,4 +100,8 @@ mail._domainkey.domain.tld. 3600 IN TXT "v=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBA #### Switch off DKIM -Simply remove the DKIM key by recreating (not just relaunching) the mailserver container. \ No newline at end of file +Simply remove the DKIM key by recreating (not just relaunching) the mailserver container. + +#### Warning keys of 4096 bits + +Keys of 4096 bits could de denied by some mailservers. According to https://tools.ietf.org/html/rfc6376 keys are preferably between 512 and 2048 bits. See issue #1854. \ No newline at end of file