A technical error has occurred mail là gì năm 2024
If you get a "Temporary Error (502)" message when you try to sign in to Gmail, your mail is temporarily unavailable. This error usually goes away quickly, so try signing in again in a few minutes. Even though you can't sign in for the moment, your messages and personal information are still safe. "Oops" or other errorIf you're getting any of these errors, or a different one that isn’t listed, try the steps below to fix the issue:
Step 1: Check that you're using a browser that works with Gmail Step 2: Check your browser extensions or applications Sometimes extensions or add-ons you've installed on your browser or applications you’ve installed on your computer can prevent Gmail from working. Try temporarily turning off these extensions and applications one by one, then using Gmail again to check if that solves the problem. To try using Gmail without any extensions, open Gmail using your browser's incognito or private browsing mode. Step 3: Clear your browser's cache & cookies Step 4: Check your Gmail Advanced settings If you have any features turned on, take a look at your
The steps above didn't helpIf the problem still isn't fixed, check the Google Workspace Status Dashboard to check if there's a known issue happening on Gmail. This message displays on a contact record when an email was not sent to the contact. A Not sent email is different from an email bounce. In these cases the email is never sent from HubSpot, so the email can't bounce. HubSpot uses Not sent emails to preserve your sending reputation. The system will only block emails from sending if there's a high probability that the email will not be delivered or if it would be illegal to send an email to that particular contact. You may see Not sent emails for sales or marketing emails and additional messaging depending on the Not sent reason.
Simply put, this message is as it says: your email is currently not deliverable. Email delivery failure can feel complicated, but the first place to look is at your SMTP server, the mail server responsible for sending, receiving, and transferring your email via the Simple Mail Transfer Protocol (SMTP) protocol. SMTP then uses TLS/SSL to secure the network connection between your email client and your mail server. Email sending failures often occur if you self-manage your own SMTP server, which comes with large technical overhead and security requirements. Understanding a bit about the technical journey email takes from outbox to inbox can help solve problems like failure to send and understand why your emails are not going through. Get the breakdown in our post: How does email work? Don’t give up too easily – just because your email failed to send this time doesn’t mean you’ve stumbled into an unfixable situation. The reasons your email failed to send vary from mundane (bad internet connection) to technically complex issues (your SMTP server connection). Here are some common reasons your email messages won’t send:
Let’s unpack each of these below and walk through some troubleshooting steps. Learn more: Failure to send is a big email issue, but so is landing in the spam folder. If you’re messages are going through but just not being read, click here. Have you tried turning it off and on? Okay, we don’t mean to make light of the situation, but sometimes this happens. Check your internet connection first before tearing apart your SMTP server setup. Sometimes, the issue really is just that simple. How to fix: Check your internet connection, or confirm any outages in your area that may have affected your send time. Are your emails not sending in Microsoft Outlook or Gmail via your app integration? Chances are you’ve set up your webmail client with the wrong SMTP authentication or made a few typos. How to fix: Check out this list of the most common parameters and see if you’ve set up your email client correctly. Email service provider SMTP settings Email service provider AOL Smtp.aol.com SMTP settings AT&T Outbound Comcast Smtp.comcast.net Gmail Smtp.gmail.com Outlook Smtp.live.com Verizon Outgoing Yahoo Smtp.mail.yahoo.com Okay, this is where it gets tricky. Your SMTP server connection may be malfunctioning. If your SMTP parameters are correctly set up, your email server may be down or not functioning. How to fix: Here’s a list of common and some SMTP commands to help you troubleshoot. The old school convention states that your outgoing mail server should use port 25. However, some inbox service providers (ISPs) block port 25 because of spam issues. How to fix: Try using port 587 instead. For our full breakdown of which SMTP port to use, check out our guide. That’s right, check your antivirus or firewall settings. Sometimes, outgoing mail can be blocked by your own privacy protection protocols. How to fix: Set up a proper exception rule for your firewall or antivirus program. The best way to fix a problem is to prevent it. With that being said, here are five ways to avoid that dreaded “email failed to send” message:
Bonus tip: Email delivery is just one battle in the war to get your message read. Check out our guide on email deliverability to benefit from things like email authentication, IP address warmup, and other techniques to build your reputation as a trusted sender. There are other ways to send mail, especially if you send in bulk. If you’re a programmatic sender, a failure to send error can be a much bigger deal, impacting a large volume of transactional emails. Here are some common API sending issues and troubleshooting tips.
Server settings and SMTP issues are a key culprit for failed email messages, but there are lots of reasons your outgoing emails may not make their way to the inbox. Resolving “failure to send” doesn’t automatically mean everything is perfect in terms of your deliverability. Here’s a last list of quick resources if you are having other issues with sending emails:
Dive deeper and check out our guide on understanding the importance of email deliverability. It’ll help you wrap your brain around everything from email authentications, to the importance of validating your email lists. |