Fix the ‘550 5.7.1 [CS] Message blocked’ MailChannels email error

Definitions MailChannels is an email delivery service that helps make sure your emails reach your recipients’ inboxes by preventing them from being flagged as spam. It comes included as part of your email service. The 550 5.7.1 [CS] Message blocked code means that MailChannels flagged your email as spam. However, sometimes your email may not […]

Email spoofing: Recognize and prevent fake emails

Definitions Email spoofing is when someone sends fake emails that appear to come from you or others. For example, you might receive a fake email that looks like it’s from a familiar contact or company, or your contacts may receive fake emails that look like they’re from you. Email spoofing becomes a phishing attempt when […]

Fix the ’email system must authenticate before sending email’ error

Definitions The ’email system must authenticate before sending email’ error means your email app needs you to log in and verify your IMAP and/or SMTP settings before you can send emails. Before you start ✅ In nearly 100% of cases, this error is due to incorrectly inputted IMAP or SMTP details. Double-check and correct them […]

Fix the ‘unknown recipient’ undelivered email error

Definitions The ‘unknown recipient’ undelivered email error means the email address you’re trying to send to doesn’t exist or is incorrectly spelled. The email address you send to is called the recipient email address. Before you start ✅ This error is always related to the recipient’s email address, never your email service. ℹ️ You can […]

Fix common IMAP and SMTP email setup errors

Definitions IMAP and SMTP email setup errors occur when connecting your email account to an email app, preventing you from sending or receiving emails. Before you start 🚨In 99.9% of cases, email connection issues occur due to incorrectly inputted IMAP or SMTP details. Double-check and correct them if necessary. ⚠️ If you need to reset […]

Adjust the time zone in your webmail

Definitions The time zone in your webmail is the setting that determines the time displayed for your emails. Before you start ✅ The default time zone in your webmail is Eastern Standard Time (EST). ℹ️ It’s helpful to set the webmail time zone to match your geographic location. ⚠️ Your time zone set in webmail […]