diff options
Diffstat (limited to 'proto/COMPATIBILITY_README.html')
| -rw-r--r-- | proto/COMPATIBILITY_README.html | 96 |
1 files changed, 48 insertions, 48 deletions
diff --git a/proto/COMPATIBILITY_README.html b/proto/COMPATIBILITY_README.html index e4e91e1..9f88927 100644 --- a/proto/COMPATIBILITY_README.html +++ b/proto/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 compatibility_level < 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 compatibility_level < 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 smtputf8_enable 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 smtputf8_enable parameter is left at its implicit +default value, and the compatibility_level 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 + smtputf8_enable=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 + smtputf8_enable=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 "smtputf8_enable = no" permanent +in main.cf: + +<blockquote> +<pre> +# <b>postconf smtputf8_enable=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 $mydestination, 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 smtputf8_enable 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 smtputf8_enable parameter is left at its implicit -default value, and the compatibility_level 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 - smtputf8_enable=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 - smtputf8_enable=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 "smtputf8_enable = no" permanent -in main.cf: - -<blockquote> -<pre> -# <b>postconf smtputf8_enable=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> |