{"id":1121,"date":"2012-02-06T09:09:32","date_gmt":"2012-02-06T17:09:32","guid":{"rendered":"http:\/\/www.redwireservices.com\/?p=1121"},"modified":"2014-08-18T15:30:37","modified_gmt":"2014-08-18T22:30:37","slug":"postfix-smtp-relay-via-godaddy-alternate-port-and-others","status":"publish","type":"post","link":"https:\/\/www.redwireservices.com\/postfix-smtp-relay-via-godaddy-alternate-port-and-others","title":{"rendered":"Postfix SMTP Relay Via GoDaddy Alternate Port (and others)"},"content":{"rendered":"<p>Occasionally\u00a0we need to configure\u00a0outgoing\u00a0SMTP services for a customer, and it&#8217;s often\u00a0convenient\u00a0to relay through their current email provider. \u00a0Today we did just that for a customer using GoDaddy hosted email. \u00a0As an additional challenge, this customer&#8217;s ISP did not allow outgoing requests on port 25 (default for SMTP), so we must use one of the alternate ports GoDaddy provides (we choose port 3535).<\/p>\n<p>This configuration always seems to be fragile and hard to get right the first time, so I hope this post saves some frustration for GoDaddy users! \u00a0I&#8217;ll do my best to document all the changes, but your\u00a0mileage\u00a0may vary.<\/p>\n<ul>\n<li>Configure username and password by entering the following line in \/etc\/postfix\/sasl_passwd:<\/li>\n<\/ul>\n<pre><span style=\"font-size: small;\"><span style=\"line-height: 20px;\">smtpout.secureserver.net user@mydomain.com:MySecretPassword<\/span><\/span><\/pre>\n<ul>\n<li>Set the correct permissions, and postmap the file for postfix&#8217;s use:<\/li>\n<\/ul>\n<pre><span style=\"font-size: small;\"><span style=\"line-height: 20px;\">sudo chmod 600 \/etc\/postfix\/sasl_passwd<\/span><\/span><\/pre>\n<pre><span style=\"line-height: 20px; font-size: small;\">sudo postmap \/etc\/postfix\/sasl_passwd<\/span><\/pre>\n<ul>\n<li>Next configure postfix to use this password, and set the relay\/port, by updating \/etc\/postfix\/main.cf with the following:<\/li>\n<\/ul>\n<pre>relayhost = [smtpout.secureserver.net]:3535\r\nsmtp_sasl_auth_enable = yes\r\nsmtp_sasl_password_maps = hash:\/etc\/postfix\/sasl_passwd\r\nsmtp_sasl_security_options = noanonymous\r\nsmtp_sasl_type = cyrus\r\nmynetworks = 192.168.1.0\/24, 127.0.0.0\/8<\/pre>\n<ul>\n<li>Note:<\/li>\n<ul>\n<li>Update <em>mynetworks<\/em>\u00a0to match your local network.<\/li>\n<li>The settings above work for GoDaddy&#8217;s smtpout.secureserver.net, they may differ for different services.<\/li>\n<li>Some articles claim that you should include the port number (3535) in the \/etc\/postfix\/sasl_passwd file, but that didn&#8217;t work for me.<\/li>\n<\/ul>\n<\/ul>\n<p>I truly hope that saves you an hour of work or two. Special thanks to <a title=\"Freelock Postfix Relayhost\" href=\"http:\/\/www.redwireservices.com\/wp-content\/uploads\/2012\/02\/postfix-relayhost\" target=\"_blank\">Freelock<\/a>\u00a0for their article, which I reference all the time. \u00a0That was the basis of my work this morning.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Configuring a relayhost in postfix with the appropriate authentication setup can be tricky, this post will help you set up postfix correctly to relay through GoDaddy&#8217;s smtpout.secureserver.net using an alternate port (3535). <a href=\"https:\/\/www.redwireservices.com\/postfix-smtp-relay-via-godaddy-alternate-port-and-others\">Continue reading <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[31,3,11],"tags":[9,79,80],"_links":{"self":[{"href":"https:\/\/www.redwireservices.com\/wp-json\/wp\/v2\/posts\/1121"}],"collection":[{"href":"https:\/\/www.redwireservices.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.redwireservices.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.redwireservices.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.redwireservices.com\/wp-json\/wp\/v2\/comments?post=1121"}],"version-history":[{"count":5,"href":"https:\/\/www.redwireservices.com\/wp-json\/wp\/v2\/posts\/1121\/revisions"}],"predecessor-version":[{"id":1552,"href":"https:\/\/www.redwireservices.com\/wp-json\/wp\/v2\/posts\/1121\/revisions\/1552"}],"wp:attachment":[{"href":"https:\/\/www.redwireservices.com\/wp-json\/wp\/v2\/media?parent=1121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.redwireservices.com\/wp-json\/wp\/v2\/categories?post=1121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.redwireservices.com\/wp-json\/wp\/v2\/tags?post=1121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}