{"id":88,"date":"2012-02-01T06:27:00","date_gmt":"2012-02-01T06:27:00","guid":{"rendered":"http:\/\/pheonixsolutions.com\/?p=88"},"modified":"2026-06-04T16:35:27","modified_gmt":"2026-06-04T11:05:27","slug":"mail-sent-by-user-nobody-being-discarded-due-to-sender-restrictions-in-whm-tweak-settings","status":"publish","type":"post","link":"https:\/\/pheonixsolutions.com\/blog\/mail-sent-by-user-nobody-being-discarded-due-to-sender-restrictions-in-whm-tweak-settings\/","title":{"rendered":"Mail sent by user nobody being discarded due to sender restrictions in WHM->Tweak Settings"},"content":{"rendered":"\n<h2 class=\"wp-block-heading\">Introduction<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">In most hosting servers, emails sent by the user &#8216;<strong>nobody<\/strong>&#8216; are restricted to prevent spam and abuse. Many CMS applications use PHP mail functions, and when PHP runs under mod_php or without suEXEC, the mail is often sent as the user <strong>nobody<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">When this restriction is enabled, outgoing emails generated by PHP scripts may be blocked by the server.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Prerequisites<\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Access to WHM<\/li>\n\n\n\n<li>Root privileges on the server<\/li>\n\n\n\n<li>Access to Exim mail logs for verification<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Implementation<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\">Step 1: Verify the Error in Exim Logs<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">You may notice the following entry in the Exim main log when the restriction is enabled:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">root@x3 [\/home\/pgnowonl\/public_html]# grep 1RsSjE-0030Z3-0w \/var\/log\/exim_mainlog<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2012-02-01 13:27:32 1RsSjE-0030Z3-0w &lt;= <a>nobody@abc.com<\/a> U=nobody P=local S=1745<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2012-02-01 13:27:32 1RsSjE-0030Z3-0w ** <a>hemanth.presence@gmail.com<\/a> R=checkspam2: Mail sent by user nobody being discarded due to sender restrictions in WHM-&gt;Tweak Settings<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2012-02-01 13:27:32 1RsSjE-0030Z5-1n &lt;= &lt;&gt; R=1RsSjE-0030Z3-0w U=mailnull P=local S=2620<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">2012-02-01 13:27:32 1RsSjE-0030Z3-0w Completed<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">This confirms that the email was blocked due to the &#8220;nobody&#8221; sender restriction.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 2: Disable the Restriction in WHM<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Log in to WHM and navigate to:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">WHM \u2192 Tweak Settings<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 3: Locate the Mail Restriction Option<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Find the following option:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Prevent &#8220;nobody&#8221; from sending mail<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Description:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Prevent the user &#8220;nobody&#8221; from sending out mail to remote addresses.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">(PHP and CGI scripts generally run as &#8220;nobody&#8221; if you are using mod_php or have suEXEC disabled.)<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 4: Disable the Restriction<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Set the option to:<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Off<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Then save the settings.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h3 class=\"wp-block-heading\">Step 5: Test Email Delivery<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">After saving the changes, test the PHP mail functionality again to confirm that emails are being delivered successfully.<\/p>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Conclusion<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">If PHP-generated emails are being discarded with the message &#8220;Mail sent by user nobody being discarded due to sender restrictions in WHM->Tweak Settings,&#8221; disabling the <strong>Prevent nobody from sending mail<\/strong> option in WHM will allow emails sent by PHP scripts running as <strong>nobody<\/strong> to be delivered successfully.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction In most hosting servers, emails sent by the user &#8216;nobody&#8216; are restricted to prevent spam and abuse. Many CMS [&hellip;]<\/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-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":"","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-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":"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":""},"mobile":{"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":""}},"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[1019],"tags":[],"class_list":["post-88","post","type-post","status-publish","format-standard","hentry","category-cloud-aws","psol-cat-cloud-aws"],"jetpack_publicize_connections":[],"jetpack_shortlink":"https:\/\/wp.me\/phns3A-1q","jetpack_sharing_enabled":true,"jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/posts\/88","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/comments?post=88"}],"version-history":[{"count":1,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/posts\/88\/revisions"}],"predecessor-version":[{"id":10310,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/posts\/88\/revisions\/10310"}],"wp:attachment":[{"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/media?parent=88"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/categories?post=88"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/pheonixsolutions.com\/blog\/wp-json\/wp\/v2\/tags?post=88"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}