<html><head><meta http-equiv="content-type" content="text/html; charset=utf-8"></head><body style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;">Nachtrag hinsichtlich iptables (ufw):<div><br></div><div><p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">Last login: Fri Dec 12 10:05:24 2025 from </span>XX.YYY.VVV.ZZZ </p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">Status: active</span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0); min-height: 13px;"><span style="font-variant-ligatures: no-common-ligatures"></span><br></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures"> To Action From</span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures"> -- ------ ----</span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">[ 1] 25 ALLOW IN Anywhere </span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">[ 2] 443 ALLOW IN Anywhere </span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">[ 3] 993 ALLOW IN Anywhere </span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">[ 4] 587 ALLOW IN Anywhere </span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">[ 5] 80 ALLOW IN Anywhere </span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">[ 6] 22 ALLOW IN XX.YYY.VVV.ZZZ </span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">[ 7] 443 (v6) ALLOW IN Anywhere (v6) </span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">[ 8] 993 (v6) ALLOW IN Anywhere (v6) </span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">[ 9] 587 (v6) ALLOW IN Anywhere (v6) </span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">[10] 80 (v6) ALLOW IN Anywhere (v6) </span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0);"><span style="font-variant-ligatures: no-common-ligatures">[11] 25 (v6) ALLOW IN Anywhere (v6) </span></p>
<p style="margin: 0px; font-style: normal; font-variant-caps: normal; font-width: normal; font-size: 11px; line-height: normal; font-family: Menlo; font-size-adjust: none; font-kerning: auto; font-variant-alternates: normal; font-variant-ligatures: normal; font-variant-numeric: normal; font-variant-east-asian: normal; font-variant-position: normal; font-variant-emoji: normal; font-feature-settings: normal; font-optical-sizing: auto; font-variation-settings: normal; color: rgb(0, 0, 0); min-height: 13px;"><br><span style="font-variant-ligatures: no-common-ligatures"></span></p><div><br class="Apple-interchange-newline">
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<div><br><blockquote type="cite"><div>Am 12.12.2025 um 14:53 schrieb Christoph Kukulies <kuku@kukulies.org>:</div><br class="Apple-interchange-newline"><div><meta http-equiv="content-type" content="text/html; charset=utf-8"><div style="overflow-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;"><span style="caret-color: rgb(0, 0, 0);">@Daniel: Ach so, dann war das wohl der Fehler. Hab ich nicht aufgepaßt.</span><div><font><span style="caret-color: rgb(0, 0, 0);">Die SSLTools Site fand ich, macht immer Probleme. Die "Hardenize" Site sagt mir, ich</span></font></div><div><font><span style="caret-color: rgb(0, 0, 0);">habe mit STARTTLS Probleme. (meine Domain s. Absender)<br></span></font><div><span style="caret-color: rgb(0, 0, 0);"><br></span></div><div><span style="caret-color: rgb(0, 0, 0);"><br></span><span style="caret-color: rgb(0, 0, 0);">Danke für den Hinweis.</span></div><div><br></div><div>ifconfig -a<div><br></div><div>sagt mir, UP für inet und inet6, jeweils hinterlegt mit einer IPv$ bzw. IPV6 Adresse.</div><div><br></div><div>AAAA Record mit IPV6 Adresse hinterlegt im DNS</div><div><br></div><div><br></div><div>--</div><div>Grüße</div><div>Christoph</div><div><br><div><br class="Apple-interchange-newline">
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<div><br><blockquote type="cite"><div>Am 12.12.2025 um 10:42 schrieb Andreas Pothe via Postfixbuch-users <postfixbuch-users@listen.jpberlin.de>:</div><br class="Apple-interchange-newline"><div><div>Hi,<br><br>Am 12.12.2025 um 10:19 schrieb Christoph Kukulies via Postfixbuch-users:<br><blockquote type="cite">Ich teste gerade meinen Mailserver im Internet mit ssllabs.com . Der ipv4 Test läuft einwandfrei, beim ipv6 Test,<br>allerdings, sagt mir das Tool "Assessment failed: Unable to connect to the server"<br><br></blockquote>- Ist die IP6-Adresse auch "up"?<br><br>- Falls Du eine "Firewall" wie iptables einsetzt, ist der Zugriff freigegeben?<br><br>VG<br>Andreas<br><br></div></div></blockquote></div><br></div></div></div></div></div></blockquote></div><br></div></body></html>