• How to Fix the “Cannot Verify Server Identity” Error

    The “Cannot Verify Server Identity” error typically appears when an email app or device cannot confirm the security certificate of the server it is trying to connect to. While the message may feel alarming, it is actually a protective security feature designed to prevent your data from being intercepted or compromised.  This error is most commonly…

  • 1-grid Scope of Support

    At 1-grid, we want you to always know what type of support you can expect from us. To keep things clear, simple, and empowering, we’ve grouped our support offerings into three categories:  This guide explains each category in easy-to-understand terms, so you always know where we can help and when…

  • What Is Phishing? How It Works and How to Protect Yourself

    Phishing remains one of the most common and deceptive online threats, a tactic that preys on trust and quick reactions.  In this guide, we’ll explain what phishing is, how these scams work, and how to protect yourself and your business from falling victim.  What Is a Phishing Attack?  This is…

  • How To Check If My IP Is Blacklisted and Get It Delisted

    If your emails aren’t delivering or your website feels unreachable, it could be because your IP address has landed on a blacklist, but don’t panic. It’s a common, fixable issue, and it’s easy to check if you’re IP has been blacklisted.  This guide walks you through how to check if…

  • Everything You Need to Know About IP Blacklisting

    If you’ve suddenly noticed that your emails aren’t being delivered or your website access is blocked, your IP address might be blacklisted but it’s not permanent.  IP blacklisting can seem alarming, but there’s no need to worry because it’s fixable! By understanding the cause, following delisting steps, and keeping your systems…

  • Resolving a MailChannels “550 5.7.1 [IRR] Too Many Invalid Recipients” Error

    If you see a “550 5.7.1 [IRR] Too Many Invalid Recipients” error when sending an email, don’t worry! It’s a temporary protection measure from MailChannels, our outbound firewall partner, helping to keep your domain’s reputation strong by preventing your emails from being flagged as spam.    In this guide, we’ll show…

  • Resolving a MailChannels Spam Block “550 5.7.1” Error

    The “550 5.7.1 [CS] Message blocked Spam” error with MailChannels can be frustrating; however, it doesn’t mean your domain is permanently blocked. By applying authentication, cleaning mailing lists, and following safe sending practices, resolving a MailChannels spam message block can be quick and prevent future blocks.  This guide will help…

  • How to Avoid MailChannels Blocks 

    MailChannels blocks protect the global email ecosystem from spam and abuse. While they can be frustrating, you can avoid MailChannels blocks by practicing good email hygiene, such as cleaning mailing lists, authenticating domains, avoiding spam-like content, and securing accounts.   This guide will help empower you with how to avoid MailChannels…

  • MailChannels Error Codes and How to Fix Them

    MailChannels helps ensure safe email delivery by blocking spam and enforcing sending policies. When emails fail, you may see an error code, and these may seem intimidating, but each one has a clear meaning and a fix. By understanding MailChannels error codes, what they mean and applying the right steps,…

  • Setting up Microsoft Mail

    Setting up Microsoft Mail To configure Microsoft Mail to work with your A2 Hosting e-mail account, follow these steps: Start Mail. Click Accounts, and then in the Manage Accounts sidebar, click Add account: In the Choose an account dialog box, scroll down, and then click Advanced setup: In the Advanced setup dialog box, click Internet email: In the Internet…