Connect Gmail With SMTP
title: Connect Gmail With SMTP
description: Step-by-step guide to connect a Gmail account to SalesBlink using IMAP and SMTP with an app password.
Overview
Follow these steps to connect your Gmail account to SalesBlink securely using IMAP and SMTP.
Step 1: Confirm IMAP is enabled in Gmail
Note: Gmail now enables IMAP by default for personal accounts. The traditional Enable/Disable IMAP buttons may no longer appear in the Gmail interface. Instead, you will see a messageFew readersDaily User Sending Quota Exceeded What Does This Mean and How to Fix
title: Daily User Sending Quota Exceeded What Does This Mean and How to Fix
description: Understand why the sending quota exceeded error happens and how to fix it in SalesBlink.
Overview
The sending quota exceeded error happens when your email account goes past the volume your provider is comfortable with. In most cases this is a temporary restriction that resets on its own.
Common causes
Emails sent in short succession or bursts
A large number of Leads per day, going paFew readersData Command Failed 550 5.4.5 Daily User Sending Quota Exceeded
title: Data Command Failed 550 5.4.5 Daily User Sending Quota Exceeded
description: Understand and resolve the Gmail 550 5.4.5 daily sending quota exceeded error in SalesBlink.
Overview
This error means your Gmail account has hit its daily sending limit. Gmail enforces these limits to prevent spam and protect account security. Once the limit is reached, all outgoing mail is blocked until the quota resets, but you can still receive emails and access your account normally.
Gmail daFew readersGoogle Error - Invalid Login 534-5.7.9 Application-Specific Password Required
title: "Google Error - Invalid Login: 534-5.7.9 Application-Specific Password Required"
description: Resolve the Google 534-5.7.9 error when connecting Gmail to SalesBlink via SMTP/IMAP by generating an app password.
Overview
This error appears when you try to connect a Gmail account to SalesBlink via SMTP/IMAP and your Google account has 2-Step Verification (2FA) enabled. Google blocks third-party apps from using your regular password in this case — you need to generate a dedicaFew readersHow to Recover Suspended Google Accounts Asking For Phone Numbers
title: How to Recover Suspended Google Accounts Asking For Phone Numbers
description: Recover a Google Workspace account stuck in a phone-number verification loop using backup codes.
Overview
If you keep seeing "This phone number has already been used too many times for verification", this guide is for you.
Note: This guide is for Google Workspace accounts where login is stuck in a phone number verification loop. If your account is fully suspended instead, your Workspace adminFew readersOutlook Tenant Error (550 5.7.708 Access Denied)
title: "Outlook Tenant Error (550 5.7.708 Access Denied)"
description: Resolve the Microsoft 365 Outlook tenant error 550 5.7.708 Access Denied and reconnect the mailbox in SalesBlink.
Overview
This error means Microsoft has blocked outgoing email traffic from your account because the IP address it is sending from has a low reputation. According to Microsoft, this most commonly affects new customers and trial subscriptions on Microsoft 365. [Learn more from Microsoft](https://learn.mFew readersRequest Failed With Status Code 504 or Visit Web Browser Gmail Google
title: Request Failed With Status Code 504 or Visit Web Browser Gmail Google
description: Troubleshoot the Request failed with status code 504 error for Gmail accounts connected to SalesBlink.
Overview
A 504 error is a gateway timeout, meaning SalesBlink attempted to connect to Google's servers but did not receive a response in time. In the context of Gmail accounts, this typically happens when Google has flagged the account for suspicious activity or the account is being rate-limiteFew readersTroubleshooting Sending Quota Exceeded Error
title: Troubleshooting Sending Quota Exceeded Error
description: Common causes of the sending quota exceeded error and how to fix each one in SalesBlink.
Overview
This error appears when your email account hits a sending limit set by your email provider. Below are the most common causes and how to fix each one.
Sending emails too quickly
Sending a large number of emails in a short period can trigger this error. Keep a minimum time gap of 10 to 15 minutes between sends to avoFew readersUnderstanding Email Account Disconnection Reasons in SalesBlink
title: Understanding Email Account Disconnection Reasons in SalesBlink
description: Common reasons email senders disconnect in SalesBlink, with practical fixes and a recovery checklist.
Overview
This article covers the most common reasons email accounts get disconnected in SalesBlink, along with practical fixes and a recovery checklist. Keeping your mailboxes healthy requires consistent sending behaviour, correct authentication, and good list hygiene.
Possible reasons a mailbox cFew readersUnderstanding IMAP Failure The invalid_grant Error
title: Understanding IMAP Failure The invalid_grant Error
description: Causes of the IMAP invalid_grant error and how to resolve it to regain access to your email account.
Overview
IMAP (Internet Message Access Protocol) is the technology that lets SalesBlink access your email remotely and sync messages across devices. One common issue users encounter is the invalid_grant error, which typically indicates an authentication problem where the server rejects the provided credentials.Few readersWhy Am I Getting a Connection Timed Out Error
title: Why Am I Getting a Connection Timed Out Error
description: Fix the Connection Timed Out error when connecting an email sender in SalesBlink by switching the SMTP port.
Overview
A Connection Timed Out error when connecting your inbox to SalesBlink means the SMTP port your account is trying to use is being blocked — either by your Internet Service Provider (ISP), a firewall, or your email provider's server configuration. The connection attempt starts but never receives a resFew readersZoho Account Needs Re-authentication or Is Blocked
title: Zoho Account Needs Re-authentication or Is Blocked
description: Resolve Zoho account blocks and re-authenticate a disconnected Zoho mailbox in SalesBlink.
Overview
Zoho automatically blocks accounts when it detects activity that could indicate a security risk or policy violation. This guide explains why it happens, how to unblock the account, and how to reconnect it in SalesBlink.
Why Zoho accounts get blocked
Common reasons include:
Multiple failed login attempts
LoFew readers