{"id":121,"date":"2026-07-01T01:18:35","date_gmt":"2026-07-01T01:18:35","guid":{"rendered":"https:\/\/mailjuke.com\/blog\/google-workspace-smtp-settings-business-email\/"},"modified":"2026-07-01T01:18:35","modified_gmt":"2026-07-01T01:18:35","slug":"google-workspace-smtp-settings-business-email","status":"publish","type":"post","link":"https:\/\/mailjuke.com\/blog\/google-workspace-smtp-settings-business-email\/","title":{"rendered":"Google Workspace SMTP Settings for Business Email (2026 Guide)"},"content":{"rendered":"<p>If you are connecting a CRM, helpdesk, or transactional tool to Google Workspace, the SMTP details are only half the job. Authentication and DNS decide whether those messages land in the inbox.<\/p>\n<p>This guide covers the current Google Workspace SMTP settings, App Password setup, IMAP options, real sending limits, and the SPF\/DKIM\/DMARC records MailJuke configures when you launch a domain.<\/p>\n<h2>Google Workspace SMTP settings (current)<\/h2>\n<table>\n<thead>\n<tr>\n<th>Setting<\/th>\n<th>Value<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>SMTP server<\/td>\n<td><code>smtp.gmail.com<\/code><\/td>\n<\/tr>\n<tr>\n<td>Port (recommended)<\/td>\n<td><code>587<\/code> with STARTTLS<\/td>\n<\/tr>\n<tr>\n<td>Port (SSL)<\/td>\n<td><code>465<\/code> with SSL<\/td>\n<\/tr>\n<tr>\n<td>Username<\/td>\n<td>Full Workspace address (e.g. <code>you@yourdomain.com<\/code>)<\/td>\n<\/tr>\n<tr>\n<td>Password<\/td>\n<td>App Password if 2-Step Verification is on<\/td>\n<\/tr>\n<tr>\n<td>Authentication<\/td>\n<td>Required<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>IMAP settings (if your app needs it)<\/h2>\n<ul>\n<li><strong>Host:<\/strong> <code>imap.gmail.com<\/code><\/li>\n<li><strong>Port:<\/strong> <code>993<\/code> (SSL)<\/li>\n<li><strong>Username:<\/strong> full email address<\/li>\n<\/ul>\n<h2>Create an App Password the right way<\/h2>\n<ol>\n<li>In Google Admin, confirm 2-Step Verification is allowed for the user.<\/li>\n<li>Sign in as that user \u2192 Google Account \u2192 Security \u2192 App passwords.<\/li>\n<li>Generate a mail-specific password and paste it into your integration \u2014 never your normal login password.<\/li>\n<li>Label the App Password with the tool name so you can revoke it later.<\/li>\n<\/ol>\n<p>If App Passwords are blocked by org policy, use OAuth where the vendor supports it, or ask an admin to allow App Passwords for that OU only.<\/p>\n<h2>DNS that must be live before you scale<\/h2>\n<ul>\n<li><strong>SPF:<\/strong> one TXT record that includes <code>include:_spf.google.com<\/code><\/li>\n<li><strong>DKIM:<\/strong> generate the key in Google Admin \u2192 Apps \u2192 Gmail \u2192 Authenticate email, then publish the TXT<\/li>\n<li><strong>DMARC:<\/strong> start with <code>v=DMARC1; p=none; rua=mailto:dmarc@yourdomain.com<\/code>, then tighten<\/li>\n<\/ul>\n<p>MailJuke walks through these records when you buy or connect a domain, so you are not guessing at DNS syntax.<\/p>\n<h2>Google Workspace sending limits (practical numbers)<\/h2>\n<p>Google enforces daily send caps per user. Exact limits depend on your edition and account age, but treat these as planning defaults:<\/p>\n<ul>\n<li>Stay well under the published daily cap \u2014 burst sending looks abusive.<\/li>\n<li>Spread volume across authenticated users only when each mailbox is a real person or role account you manage.<\/li>\n<li>Never upload purchased or scraped lists. That violates Google\u2019s policies and MailJuke\u2019s Acceptable Use Policy.<\/li>\n<\/ul>\n<h2>Common SMTP failures (and fixes)<\/h2>\n<ul>\n<li><strong>\u201cUsername and Password not accepted\u201d<\/strong> \u2014 use an App Password, not the account password.<\/li>\n<li><strong>Timeouts on port 25<\/strong> \u2014 many hosts block 25; use 587 or 465.<\/li>\n<li><strong>Messages accepted by SMTP but land in spam<\/strong> \u2014 fix SPF\/DKIM alignment and DMARC before blaming the app.<\/li>\n<\/ul>\n<h2>Quick launch checklist<\/h2>\n<ol>\n<li>Domain verified in Google Workspace<\/li>\n<li>SPF + DKIM published and verified<\/li>\n<li>DMARC monitoring record live<\/li>\n<li>App Password created for the integration<\/li>\n<li>Test to Gmail, Outlook, and a catch-all you control<\/li>\n<\/ol>\n<p>Need Workspace inboxes on your domain without the DNS headache? <a href=\"https:\/\/mailjuke.com\">MailJuke<\/a> sets up Google Workspace, domains, and authentication in one flow.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Exact SMTP host, ports, App Passwords, IMAP, authentication, and sending limits for Google Workspace \u2014 plus the DNS steps most guides skip.<\/p>\n","protected":false},"author":1,"featured_media":122,"comment_status":"open","ping_status":"open","sticky":true,"template":"","format":"standard","meta":{"saved_in_kubio":false,"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"_kad_post_classname":"","footnotes":""},"categories":[8,12],"tags":[],"class_list":["post-121","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-google-workspace","category-guide"],"_links":{"self":[{"href":"https:\/\/mailjuke.com\/blog\/wp-json\/wp\/v2\/posts\/121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mailjuke.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mailjuke.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mailjuke.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/mailjuke.com\/blog\/wp-json\/wp\/v2\/comments?post=121"}],"version-history":[{"count":0,"href":"https:\/\/mailjuke.com\/blog\/wp-json\/wp\/v2\/posts\/121\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mailjuke.com\/blog\/wp-json\/wp\/v2\/media\/122"}],"wp:attachment":[{"href":"https:\/\/mailjuke.com\/blog\/wp-json\/wp\/v2\/media?parent=121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mailjuke.com\/blog\/wp-json\/wp\/v2\/categories?post=121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mailjuke.com\/blog\/wp-json\/wp\/v2\/tags?post=121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}