{"id":1041,"date":"2012-04-30T22:43:03","date_gmt":"2012-04-30T21:43:03","guid":{"rendered":"http:\/\/www.xarcom.net\/blog\/?p=1041"},"modified":"2012-04-30T22:44:09","modified_gmt":"2012-04-30T21:44:09","slug":"como-anadir-un-puerto-mas-para-el-protocolo-smtp-en-un-servidor-qmail-en-plesk","status":"publish","type":"post","link":"https:\/\/blog.xarcom.net\/index.php\/como-anadir-un-puerto-mas-para-el-protocolo-smtp-en-un-servidor-qmail-en-plesk\/","title":{"rendered":"C\u00f3mo a\u00f1adir un puerto m\u00e1s para el protocolo SMTP en un servidor Qmail en Plesk?"},"content":{"rendered":"<p>Algunos ISPs pueden bloquear conexiones SMTP salientes (los puertos conocidos son 25, 587, 2525) y los usuarios necesitan abrir un puerto adicional que act\u00fae como servicio SMTP.<\/p>\n<h2>C\u00f3mo solucionarlo<\/h2>\n<p>En una plataforma de alojamiento Qmail, el servicio SMTP es invocado por un super-server xinetd cada vez que se conecta un usuario al servidor. Para a\u00f1adir un puerto m\u00e1s (por ejemplo el puerto 1024), puede crear un archivo <em>\/etc\/xinetd.d\/smtp1024<\/em>con el siguiente contenido:<\/p>\n<div><code>service smtp1024<\/code><\/div>\n<div><code>{<\/code><\/div>\n<div><code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 type = UNLISTED<\/code><\/div>\n<div><code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 disable = no<\/code><\/div>\n<div><code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 port = 1024<\/code><\/div>\n<div><code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 socket_type = stream<\/code><\/div>\n<div><code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 protocol = tcp<\/code><\/div>\n<div><code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 wait = no<\/code><\/div>\n<div><code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 user = qmaild<\/code><\/div>\n<div><code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 group = qmail<\/code><\/div>\n<div><code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 server = \/usr\/local\/qmail\/bin\/tcp-env<\/code><\/div>\n<div><code>\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 server_args = \/usr\/local\/qmail\/bin\/qmail-smtpd \/usr\/local\/qmail\/bin\/cmd5checkpw\u00a0<\/code><\/div>\n<div><code>\u00a0 \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 cps = 0 0<\/code><\/div>\n<div><code>}<\/code><\/div>\n<p>Entonces reinicie el servicio xinetd:<\/p>\n<pre><code># service xinetd restart<\/code><\/pre>\n<p>Una vez hecho esto, podr\u00e1 comprobar que el puerto funciona correctamente usando telnet:<\/p>\n<pre><code>$ telnet localhost 1024<\/code><\/pre>\n<pre><code><\/code><code>Trying 127.0.0.1...<\/code><\/pre>\n<pre><code>Connected to localhost.<\/code><\/pre>\n<pre><code>Escape character is '^]'.<\/code><\/pre>\n<pre><code>220 mail.example.com ESMTP <\/code><\/pre>\n<p>El servidor responde con saludos SMTP, por lo que est\u00e1 configurado para servir conexiones sobre el puerto 1024.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Algunos ISPs pueden bloquear conexiones SMTP salientes (los puertos conocidos son 25, 587, 2525) y los usuarios necesitan abrir un puerto adicional que act\u00fae como servicio SMTP. C\u00f3mo solucionarlo En una plataforma de alojamiento Qmail, el servicio SMTP es invocado por un super-server xinetd cada vez que se conecta un usuario al servidor. Para a\u00f1adir [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[183,211],"tags":[212,278,19],"class_list":["post-1041","post","type-post","status-publish","format-standard","hentry","category-parallel-plesk-linux","category-qmail","tag-parallels-plesk","tag-qmail","tag-smtp"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v23.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>C\u00f3mo a\u00f1adir un puerto m\u00e1s para el protocolo SMTP en un servidor Qmail en Plesk? - XARCOM BLOG<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/blog.xarcom.net\/index.php\/como-anadir-un-puerto-mas-para-el-protocolo-smtp-en-un-servidor-qmail-en-plesk\/\" \/>\n<meta property=\"og:locale\" content=\"es_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"C\u00f3mo a\u00f1adir un puerto m\u00e1s para el protocolo SMTP en un servidor Qmail en Plesk? - XARCOM BLOG\" \/>\n<meta property=\"og:description\" content=\"Algunos ISPs pueden bloquear conexiones SMTP salientes (los puertos conocidos son 25, 587, 2525) y los usuarios necesitan abrir un puerto adicional que act\u00fae como servicio SMTP. 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