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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 08:41:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-13 08:41:51 +0000 |
commit | 3e160e27e4686620d16477a9ea9cf00141e52ce7 (patch) | |
tree | 884561d26afa36d7653aa4dc43410e1ae479d43e /html/COMPATIBILITY_README.html | |
parent | Adding upstream version 3.8.6. (diff) | |
download | postfix-3e160e27e4686620d16477a9ea9cf00141e52ce7.tar.xz postfix-3e160e27e4686620d16477a9ea9cf00141e52ce7.zip |
Adding upstream version 3.9.0.upstream/3.9.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'html/COMPATIBILITY_README.html')
-rw-r--r-- | html/COMPATIBILITY_README.html | 96 |
1 files changed, 48 insertions, 48 deletions
diff --git a/html/COMPATIBILITY_README.html b/html/COMPATIBILITY_README.html index 2b6a58b..37c37a5 100644 --- a/html/COMPATIBILITY_README.html +++ b/html/COMPATIBILITY_README.html @@ -61,24 +61,24 @@ default setting append_dot_mydomain=yes </a> </p> <li> <p> <a href="#chroot"> Using backwards-compatible default setting chroot=y</a> </p> +<li><p> <a href="#relay_restrictions"> Using backwards-compatible +default setting "smtpd_relay_restrictions = (empty)"</a> </p> + +<li> <p> <a href="#smtputf8_enable"> Using backwards-compatible +default setting smtputf8_enable=no</a> </p> + </ul> <p> Logged with <a href="postconf.5.html#compatibility_level">compatibility_level</a> < 2: </p> <ul> -<li><p> <a href="#relay_restrictions"> Using backwards-compatible -default setting "smtpd_relay_restrictions = (empty)"</a> </p> - <li> <p> <a href="#mynetworks_style"> Using backwards-compatible default setting mynetworks_style=subnet </a> </p> <li> <p> <a href="#relay_domains"> Using backwards-compatible default setting relay_domains=$mydestination </a> </p> -<li> <p> <a href="#smtputf8_enable"> Using backwards-compatible -default setting smtputf8_enable=no</a> </p> - </ul> <p> Logged with <a href="postconf.5.html#compatibility_level">compatibility_level</a> < 3.6: </p> @@ -241,6 +241,48 @@ administrator should make the backwards-compatible setting </pre> </blockquote> +<h2> <a name="smtputf8_enable"> Using backwards-compatible default +setting smtputf8_enable=no</a> </h2> + +<p> The <a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a> default value has changed from "no" to "yes". +With the new "yes" setting, the Postfix SMTP server rejects non-ASCII +addresses from clients that don't request SMTPUTF8 support, after +Postfix is updated from an older version. The backwards-compatibility +safety net is designed to prevent such surprises. </p> + +<p> As long as the <a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a> parameter is left at its implicit +default value, and the <a href="postconf.5.html#compatibility_level">compatibility_level</a> setting is +less than 1, Postfix logs a warning each time an SMTP command uses a +non-ASCII address localpart without requesting SMTPUTF8 support: </p> + +<blockquote> +<pre> +postfix/smtpd[27560]: using backwards-compatible default setting + <a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a>=no to accept non-ASCII sender address + "??@example.org" from localhost[127.0.0.1] +</pre> +</blockquote> + +<blockquote> +<pre> +postfix/smtpd[27560]: using backwards-compatible default setting + <a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a>=no to accept non-ASCII recipient address + "??@example.com" from localhost[127.0.0.1] +</pre> +</blockquote> + +<p> If the address should not be rejected, and the client cannot +be updated to use SMTPUTF8, then the system administrator should +make the backwards-compatible setting "<a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a> = no" permanent +in <a href="postconf.5.html">main.cf</a>: + +<blockquote> +<pre> +# <b>postconf <a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a>=no</b> +# <b>postfix reload</b> +</pre> +</blockquote> + <h2> <a name="mynetworks_style"> Using backwards-compatible default setting mynetworks_style=subnet</a> </h2> @@ -352,48 +394,6 @@ administrator should make the backwards-compatible setting <p> Instead of $<a href="postconf.5.html#mydestination">mydestination</a>, it may be better to specify an explicit list of domain names. </p> -<h2> <a name="smtputf8_enable"> Using backwards-compatible default -setting smtputf8_enable=no</a> </h2> - -<p> The <a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a> default value has changed from "no" to "yes". -With the new "yes" setting, the Postfix SMTP server rejects non-ASCII -addresses from clients that don't request SMTPUTF8 support, after -Postfix is updated from an older version. The backwards-compatibility -safety net is designed to prevent such surprises. </p> - -<p> As long as the <a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a> parameter is left at its implicit -default value, and the <a href="postconf.5.html#compatibility_level">compatibility_level</a> setting is -less than 1, Postfix logs a warning each time an SMTP command uses a -non-ASCII address localpart without requesting SMTPUTF8 support: </p> - -<blockquote> -<pre> -postfix/smtpd[27560]: using backwards-compatible default setting - <a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a>=no to accept non-ASCII sender address - "??@example.org" from localhost[127.0.0.1] -</pre> -</blockquote> - -<blockquote> -<pre> -postfix/smtpd[27560]: using backwards-compatible default setting - <a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a>=no to accept non-ASCII recipient address - "??@example.com" from localhost[127.0.0.1] -</pre> -</blockquote> - -<p> If the address should not be rejected, and the client cannot -be updated to use SMTPUTF8, then the system administrator should -make the backwards-compatible setting "<a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a> = no" permanent -in <a href="postconf.5.html">main.cf</a>: - -<blockquote> -<pre> -# <b>postconf <a href="postconf.5.html#smtputf8_enable">smtputf8_enable</a>=no</b> -# <b>postfix reload</b> -</pre> -</blockquote> - <h2> <a name="smtpd_digest"> Using backwards-compatible default setting smtpd_tls_fingerprint_digest=md5</a> </h2> |