Lets assume that we have two mail servers<\/p>\n
primary.mailserver.com<\/strong> What we ultimately want is secondary.mailserver.com to accept, store ( and forward ) mail for primary.mailserver.com when it goes down.<\/p>\n <\/p>\n On secondary.mailserver.com from within the administration console add the domain in question you are configuring. From console on secondary.mailserver.com run the following commands as user zimbra<\/p>\n <\/p>\n zmprov md domain.com zimbraMailCatchAllAddress @domain.com<\/em> <\/p>\n In DNS your primary mail server should have a lower weighting ( 1 in this example ) then your secondary (10) and should look something like this.<\/p>\n <\/p>\n [root@mailhost ~]# dig mx mailserver.com<\/p>\n ; <<>> DiG 9.7.3-P3-RedHat-9.7.3-8.P3.el6_2.1 <<>> mx mailserver.com ;; QUESTION SECTION: ;; ANSWER SECTION:<\/p>\n mailserver.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a03600\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0MX\u00a0\u00a0 \u00a010 secondary.mailserver.com. ;; Query time: 104 msec Lets assume that we have two mail servers primary.mailserver.com secondary.mailserver.com What we ultimately want is secondary.mailserver.com to accept, store ( and forward ) mail for primary.mailserver.com when it goes down. On secondary.mailserver.com from within the administration console add the domain in question you are configuring. From console on secondary.mailserver.com run the following commands as […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1,51,74],"tags":[135,136,134],"class_list":["post-240","post","type-post","status-publish","format-standard","hentry","category-viazap","category-linux-linuxrs","category-servidor-de-e-mail","tag-mx-secundario","tag-postfix","tag-zimbra"],"_links":{"self":[{"href":"https:\/\/blog.clusterweb.com.br\/index.php?rest_route=\/wp\/v2\/posts\/240","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.clusterweb.com.br\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.clusterweb.com.br\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.clusterweb.com.br\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.clusterweb.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=240"}],"version-history":[{"count":3,"href":"https:\/\/blog.clusterweb.com.br\/index.php?rest_route=\/wp\/v2\/posts\/240\/revisions"}],"predecessor-version":[{"id":242,"href":"https:\/\/blog.clusterweb.com.br\/index.php?rest_route=\/wp\/v2\/posts\/240\/revisions\/242"}],"wp:attachment":[{"href":"https:\/\/blog.clusterweb.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=240"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.clusterweb.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=240"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.clusterweb.com.br\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=240"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\nsecondary.mailserver.com<\/strong><\/p>\n
\n zmprov md domain.com zimbraMailCatchAllForwardingAddress @domain.com<\/em>
\n zmprov md domain.com zimbraMailTransport smtp:primary.mailserver.com<\/em><\/p>\n
\n;; global options: +cmd
\n;; Got answer:
\n;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 43716
\n;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 0<\/p>\n
\n;mailserver.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0MX<\/p>\n
\nmailserver.com.\u00a0\u00a0 \u00a0\u00a0\u00a0 \u00a03600\u00a0\u00a0 \u00a0IN\u00a0\u00a0 \u00a0MX\u00a0\u00a0 \u00a01 primary.mailserver.com.<\/p>\n
\n;; SERVER: 8.8.8.8#53(8.8.8.8)
\n;; WHEN: Fri Jan\u00a0 6 15:02:06 2012
\n;; MSG SIZE\u00a0 rcvd: 72<\/p>\n","protected":false},"excerpt":{"rendered":"