https://aripd.com/tags/email-reputation/ Recent content in Email Reputation on ARI Systems Hugo en-us ARI Systems Sat, 16 May 2026 06:19:44 +0000 https://aripd.com/blog/email-address-verification/ Tue, 10 Apr 2018 00:00:00 +0000 https://aripd.com/blog/email-address-verification/ <h2 id="identifing-domain-is-catch-all">Identifing domain is catch-all <a href="#identifing-domain-is-catch-all" class="permalink"><i class="bi bi-link-45deg"></i></a></h2><p>Create invalid email address against that domain.</p> <div class="code-container"> <div class="code-block"> <div> <div class="code-copy" style="float: right"> <a class="icon-link icon-link-hover link-opacity-50 link-opacity-100-hover" href="#" aria-label="Copy code">Copy</a> </div> </div> <div class="highlight"><div style="color:#000;background-color:#fff;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"> <table style="border-spacing:0;padding:0;margin:0;border:0;"><tr><td style="vertical-align:top;padding:0;margin:0;border:0;"> <pre tabindex="0" style="color:#000;background-color:#fff;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">1 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">2 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">3 </span></code></pre></td> <td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%"> <pre tabindex="0" style="color:#000;background-color:#fff;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-fallback" data-lang="fallback"><span style="display:flex;"><span>e.g. </span></span><span style="display:flex;"><span>domain : example.com </span></span><span style="display:flex;"><span>Email Adddress : dummyemail@example.com, invalid.email@example.com</span></span></code></pre></td></tr></table> </div> </div> </div> </div><p><strong>Step 1</strong> - Find mail exchanger or mail server of example.com</p> <div class="code-container"> <div class="code-block"> <div> <div class="code-copy" style="float: right"> <a class="icon-link icon-link-hover link-opacity-50 link-opacity-100-hover" href="#" aria-label="Copy code">Copy</a> </div> </div> <div class="highlight"><div style="color:#000;background-color:#fff;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"> <table style="border-spacing:0;padding:0;margin:0;border:0;"><tr><td style="vertical-align:top;padding:0;margin:0;border:0;"> <pre tabindex="0" style="color:#000;background-color:#fff;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 1 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 2 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 3 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 4 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 5 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 6 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 7 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 8 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f"> 9 </span><span style="white-space:pre;-webkit-user-select:none;user-select:none;margin-right:0.4em;padding:0 0.4em 0 0.4em;color:#7f7f7f">10 </span></code></pre></td> <td style="vertical-align:top;padding:0;margin:0;border:0;;width:100%"> <pre tabindex="0" style="color:#000;background-color:#fff;-moz-tab-size:4;-o-tab-size:4;tab-size:4;"><code class="language-bash" data-lang="bash"><span style="display:flex;"><span>Commmand : </span></span><span style="display:flex;"><span>nslookup -q<span style="color:#00538b">=</span>mx example.com </span></span><span style="display:flex;"><span> </span></span><span style="display:flex;"><span>Response: </span></span><span style="display:flex;"><span>Non-authoritative answer: </span></span><span style="display:flex;"><span>example.com mail <span style="color:#00538b">exchanger</span> <span style="color:#00538b">=</span> <span style="color:#0000c0">10</span> aspmx.l.google.com. </span></span><span style="display:flex;"><span>example.com mail <span style="color:#00538b">exchanger</span> <span style="color:#00538b">=</span> <span style="color:#0000c0">20</span> alt1.aspmx.l.google.com. </span></span><span style="display:flex;"><span>example.com mail <span style="color:#00538b">exchanger</span> <span style="color:#00538b">=</span> <span style="color:#0000c0">30</span> alt2.aspmx.l.google.com. </span></span><span style="display:flex;"><span>example.com mail <span style="color:#00538b">exchanger</span> <span style="color:#00538b">=</span> <span style="color:#0000c0">40</span> aspmx2.googlemail.com. </span></span><span style="display:flex;"><span>example.com mail <span style="color:#00538b">exchanger</span> <span style="color:#00538b">=</span> <span style="color:#0000c0">50</span> aspmx3.googlemail.com.</span></span></code></pre></td></tr></table> </div> </div> </div> </div><p><strong>Step 2</strong> - Now we know mail server so let connect to it.</p>