{"id":7098,"date":"2017-10-16T07:52:55","date_gmt":"2017-10-15T23:52:55","guid":{"rendered":"http:\/\/rmohan.com\/?p=7098"},"modified":"2017-10-16T07:52:55","modified_gmt":"2017-10-15T23:52:55","slug":"dovecot-cant-start-with-error-pop3-login-imap-login-not-supported-protocol-family","status":"publish","type":"post","link":"https:\/\/mohan.sg\/?p=7098","title":{"rendered":"Dovecot can&#8217;t start with error pop3-login &#038; imap-login not supported protocol family"},"content":{"rendered":"<p>vim \/etc\/dovecot\/dovecot.conf<br \/>\n&#8212;<br \/>\nlisten = *, ::<br \/>\n?<br \/>\nlisten = *<br \/>\n&#8212;<br \/>\nservice dovecot restart<\/p>\n<p>If you see this error after Dovecot 2.0.x was installed:<br \/>\nError: service(pop3-login): listen(::, 110) failed: Address family not supported by protocol<br \/>\nError: socket() failed: Address family not supported by protocol<br \/>\nError: service(pop3-login): listen(::, 995) failed: Address family not supported by protocol<br \/>\nError: socket() failed: Address family not supported by protocol<br \/>\nError: service(imap-login): listen(::, 143) failed: Address family not supported by protocol<br \/>\nError: socket() failed: Address family not supported by protocol<br \/>\nError: service(imap-login): listen(::, 993) failed: Address family not supported by protocol<br \/>\nFatal: Failed to start listeners<br \/>\nit means that Dovecot is trying to bind to an IPv6 interface, but your system doesn&#8217;t support IPv6. \u00a0The solution is to tell Dovecot to only listen on an IPv4 interface. \u00a0You can do this by adding the following to the very top of your \/etc\/dovecot.conf file<br \/>\nlisten = *<br \/>\nThe internal default is<br \/>\nlisten = *, ::<\/p>\n","protected":false},"excerpt":{"rendered":"<p>vim \/etc\/dovecot\/dovecot.conf &#8212; listen = *, :: ? listen = * &#8212; service dovecot restart<\/p>\n<p>If you see this error after Dovecot 2.0.x was installed: Error: service(pop3-login): listen(::, 110) failed: Address family not supported by protocol Error: socket() failed: Address family not supported by protocol Error: service(pop3-login): listen(::, 995) failed: Address family not supported by [&#8230;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[5],"tags":[],"_links":{"self":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/7098"}],"collection":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=7098"}],"version-history":[{"count":1,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/7098\/revisions"}],"predecessor-version":[{"id":7099,"href":"https:\/\/mohan.sg\/index.php?rest_route=\/wp\/v2\/posts\/7098\/revisions\/7099"}],"wp:attachment":[{"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=7098"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=7098"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mohan.sg\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=7098"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}