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| author | Jeremy Harris <jgh146exb@wizmail.org> | 2022-04-03 16:33:40 +0100 |
|---|---|---|
| committer | Jeremy Harris <jgh146exb@wizmail.org> | 2022-04-03 16:33:40 +0100 |
| commit | 99f40596ce0881af49cc8bf61e588cdb55a2af30 (patch) | |
| tree | 0ded642f2f35b660f46617bda29234b061cf90e3 | |
| parent | 673fcb1022126588ab5dc3ab2dcfae30a8e78d4d (diff) | |
| download | exim4-99f40596ce0881af49cc8bf61e588cdb55a2af30.tar.gz | |
Docs: allow for multiple return from dnsdb PTR lookup
| -rw-r--r-- | doc/doc-docbook/spec.xfpt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/doc-docbook/spec.xfpt b/doc/doc-docbook/spec.xfpt index 6c885176f..0ac98d668 100644 --- a/doc/doc-docbook/spec.xfpt +++ b/doc/doc-docbook/spec.xfpt @@ -25508,7 +25508,8 @@ servers or different local IP addresses. For example, if you want the string that is used for &%helo_data%& to be obtained by a DNS lookup of the outgoing interface address, you could use this: .code -helo_data = ${lookup dnsdb{ptr=$sending_ip_address}{$value}\ +helo_data = ${lookup dnsdb{ptr=$sending_ip_address} \ + {${listextract{1}{<\n $value}}} \ {$primary_hostname}} .endd The use of &%helo_data%& applies both to sending messages and when doing |