X-Git-Url: https://vcs.fsf.org/?p=exim.git;a=blobdiff_plain;f=doc%2Fdoc-docbook%2Fspec.xfpt;h=8dab2a4d9701f5ee4ff573e3afdb3835b53d5534;hp=c6b1e1bb031dba53dcdb1317e910e01ee05d2764;hb=df081f7ad4ff0865c6ccd318b7806eb5cfbbd0ed;hpb=7e5297ef3a3cd50dbd92500e1d74364aefbd03ab

diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt
index c6b1e1bb0..8dab2a4d9 100644
--- a/doc/doc-docbook/spec.xfpt
+++ b/doc/doc-docbook/spec.xfpt
@@ -5598,6 +5598,13 @@ find that they send unqualified addresses. The two commented-out options:
 show how you can specify hosts that are permitted to send unqualified sender
 and recipient addresses, respectively.
 
+The &%log_selector%& option is used to increase the detail of logging
+over the default:
+.code
+log_selector = +smtp_protocol_error +smtp_syntax_error \
+               +tls_certificate_verified
+.endd
+
 The &%percent_hack_domains%& option is also commented out:
 .code
 # percent_hack_domains =