X-Git-Url: https://git.distorted.org.uk/~mdw/exim-config/blobdiff_plain/8fa6a8430272f7c9f56f409f6ab9abf1a4ec4b26..194ffc7d7c769a256e92f9c4a6b21e9a44aea034:/base.m4

diff --git a/base.m4 b/base.m4
index 25328e7..e78194a 100644
--- a/base.m4
+++ b/base.m4
@@ -418,7 +418,7 @@ smtp:
 	driver = smtp
 	APPLY_HEADER_CHANGES
 	tls_require_ciphers = CONF_acceptable_ciphers
-	tls_dh_min_bits = 1020
+	tls_dh_min_bits = 508
 	tls_tempfail_tryclear = true
 
 m4_define(<:SMTP_TRANS_DHBITS:>,
@@ -441,10 +441,14 @@ m4_define(<:SMTP_TRANS_DHBITS:>,
 		      {CONF_acceptable_ciphers})
 	tls_dh_min_bits = $1
 	tls_tempfail_tryclear = true:>)m4_dnl
+smtp_dhbits_512:
+	SMTP_TRANS_DHBITS(508)
+smtp_dhbits_768:
+	SMTP_TRANS_DHBITS(764)
 smtp_dhbits_1024:
 	SMTP_TRANS_DHBITS(1020)
 smtp_dhbits_2048:
-	SMTP_TRANS_DHBITS(2046)
+	SMTP_TRANS_DHBITS(2044)
 
 ## Transport to a local SMTP server; use TLS and perform client
 ## authentication.