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<font face="Times New Roman, Times, serif">I will like to add some
type of support for external backup emails.<br>
<br>
went you send a email from one server and the mail server is not
responding, you can send to the MX backup email in a priority
order like MX 5 MX10 MX100, after the some time the mail backup
server will send you the mail back to you...<br>
<br>
the mail issue is, on the default config a new file
30_exim4-config_check_rcpt<br>
.ifdef _HAVE_SPF<br>
deny<br>
!acl = acl_local_deny_exceptions<br>
spf = fail<br>
message = [SPF] $sender_host_address is not allowed to send
mail from \<br>
${if def:sender_address_domain
{$sender_address_domain}{$sender_helo_name}}.<br>
log_message = SPF check failed.<br>
<br>
By default is deny the email..<br>
<br>
Will be great if we enable some file like: </font><font
face="Times New Roman, Times, serif">/etc/exim4/trustedmailhosts
in order to bypass this rule and allow send the mail back from the
MX backup without check the SPF</font><br>
<font face="Times New Roman, Times, serif">My proposal will be like:<br>
<br>
.ifdef CHECK_RCPT_SPF<br>
.ifdef _HAVE_SPF<br>
deny<br>
!acl = acl_local_deny_exceptions<br>
!condition = ${if
match_ip{$sender_host_address}{iplsearch;/etc/exim4/trustedmailhosts}{1}{0}}<br>
spf = fail<br>
message = [SPF] $sender_host_address is not allowed to send
mail from \<br>
${if def:sender_address_domain
{$sender_address_domain}{$sender_helo_name}}.<br>
log_message = SPF check failed.<br>
<br>
defer<br>
!acl = acl_local_deny_exceptions<br>
spf = temperror<br>
message = Temporary DNS error while checking SPF record. Try
again later.<br>
<br>
warn<br>
<br>
I am not a expert on exim rules, maybe there is other way to do
it.<br>
<br>
Regards!<br>
</font><br>
<div class="moz-cite-prefix">On 2026-02-04 19:53, Andreas Metzler
wrote:<br>
</div>
<blockquote type="cite" cite="mid:aYOVnwivof6ZFHVW@argenau.bebt.de">
<pre wrap="" class="moz-quote-pre">On 2026-02-04 Eduardo Diaz Rodriguez via Pkg-exim4-maintainers <a class="moz-txt-link-rfc2396E" href="mailto:pkg-exim4-maintainers@alioth-lists.debian.net"><pkg-exim4-maintainers@alioth-lists.debian.net></a> wrote:
</pre>
<blockquote type="cite">
<pre wrap="" class="moz-quote-pre">Package: exim4-config
Version: 4.96-15+deb12u7
Severity: normal
</pre>
</blockquote>
<pre wrap="" class="moz-quote-pre">
</pre>
<blockquote type="cite">
<pre wrap="" class="moz-quote-pre">-- Package-specific info:
Exim version 4.96 #2 built 22-Mar-2025 10:25:14
</pre>
</blockquote>
<pre wrap="" class="moz-quote-pre">[... and nothing else ]
I am at loss. What is this report about?
cu Andreas
</pre>
</blockquote>
<br>
<br>
<br />
by pk25.com
<br />
<br>
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