base.m4: Line-wrap the DKIM warning header.

diff --git a/base.m4 b/base.m4
index 1b671eff9258b429c525bf51e008d88c7339ee90..0aadb788b617824bbfd504f2650ded836706db8f 100644 (file)
--- a/base.m4
+++ b/base.m4
@@ -469,11 +469,13 @@ m4_define(<:DKIM_SIGN:>,
                ${if DKIM_SIGN_P \
                        {DKIM_KEYS_INFO(<:m4_dnl
                                {X-CONF_header_token-DKIM-Key-Publication: \
-                                       DKIM signature not suitable for \
-                                       as evidence after delivery; \
+                                       DKIM signature not suitable \
+                                       as evidence after delivery;\n\t\
                                        DKIM private key KV(k) will be \
-                                       published at KV(u) on or before \
-                                       KV(tpub)}:>)}}:>)
+                                       published\n\t\
+                                       at KV(u)\n\t\
+                                       on or before KV(tpub)}:>)}}:>)
+
 
 m4_define(<:SMTP_DELIVERY:>,
        <:## Prevent sending messages with overly long lines.  The use of