When syncing IMAP, there may be times when the process results in error. Before contacting Lead Gen & CRM Support, you may want to troubleshoot your IMAP sync results.
This article will provide a list of known IMAP sync issues.
Article Contents
Trial | ✓ | |
Essential | ✓ | |
Advanced | ✓ | |
Ultimate | ✓ |
Administrators | ✓ | |
Company Managers | ✓ | |
Marketing Managers | ✓ | |
Sales Managers | ✓ | |
Salespersons | ✓ | |
Jr. Salespersons | ✓ |
General Mailbox Errors
The following errors can occur under general circumstances during IMAP syncing:
Error Message | Error Meaning | Suggested Resolution | ||||
Application-specific |
Two-factor authentication is turned on for the Gmail account. |
Create an application-specific password for Lead Gen & CRM. |
||||
[CLOSED] IMAP connection |
The IMAP connection was broken while talking with the server. The server unexpectedly closed the connection. |
This is an issue with your server. Contact your system administrator. |
||||
Could not find outbox |
When IMAP attempted to sync with Google, it could not locate an outbox. |
Create an outbox in your Gmail account. | ||||
Deadline exceeded |
IMAP stopped syncing mail in the mailbox after encountering a timeout. |
IMAP will resume syncing on the next run. | ||||
[Folder name] |
The folder mapped for an inbox or outbox does not exist on the server. |
Map to a valid folder or |
||||
Mailbox does not exist: |
The mailbox mapped for an inbox or outbox does not exist on the server. |
Map to a valid mailbox or |
||||
No inbox or |
The Custom Provider option was chosen for IMAP syncing, but an inbox or outbox was not mapped. |
Map an inbox or an outbox in your email account. | ||||
No such host as |
There is no DNS record for the given hostname. |
Provide the correct hostname, or fix the DNS for the current hostname. |
||||
TLS/SSL failure |
TLS negotiation has failed. |
This is an issue with your server. Contact your system administrator. |
Failed to Log In to Account: Authentication Errors
The following errors can occur when account authentication issues happen during IMAP syncing:
Error Message | Error Meaning | Suggested Resolution | ||||
Authentication failed |
Account has an incorrect username or password. |
Use the correct credentials. | ||||
Empty username |
The username or password was left empty. | Use the correct credentials. | ||||
IMAP: Connection closed |
While the IMAP connection was waiting on authentication, the server closed the connection. |
This is an issue with your server. Contact your system administrator. | ||||
Invalid credentials (Failure) |
Account has an incorrect username or password. |
Use the correct credentials. | ||||
Invalid IMAP username |
Account has an incorrect username or password. |
Use the correct credentials. | ||||
LOGIN authentication failed |
Account has an incorrect username or password. |
Use the correct credentials. | ||||
LOGIN bad name or |
Account has an incorrect username or password. |
Use the correct credentials. | ||||
LOGIN failed |
Account has an incorrect username or password. |
Use the correct credentials. | ||||
Password must be |
The host requires a password change in order to enable IMAP. |
Change the password and reattempt IMAP sync with the new credentials. |
||||
PLAIN not supported |
The server does not support PLAIN logins, which is required for all logins other than Gmail open authorization. |
This is an issue with your server. Contact your system administrator. | ||||
There was an issue with |
A general error stating that there are incorrect settings for an account or IMAP connection. |
Double-check the information and credentials you are using. Re-attempt the sync process. If the problem persists, contact your system administrator. |
||||
XOAUTH2 authentication |
Open authorization failure when logging into Gmail accounts. |
This is an issue with your server. Contact your system administrator. |
||||
Your account is not enabled |
IMAP has not been enabled on the target Gmail account. | Enable and set IMAP settings in your Gmail account. |
Failed to Log In to Account: Connection Errors
The following errors can occur when account connection issues happen during IMAP syncing:
Error Message | Error Meaning | Suggested Resolution | ||||
DialWithDialer: |
It took too long to connect to the server. | This is an issue with your server. Contact your system administrator. | ||||
DialWithDialerTLS: |
The server certificate is expired. | Use the self-signed certificate option or obtain a new certificate. | ||||
DialWithDialerTLS: |
The certificate on the server is not the domain name IMAP attempted to sync to. | Use the self-signed certificate option. | ||||
DialWithDialerTLS: |
Either a self-signed certificate or signed by an unknown authority. | Use the self-signed certificate option. | ||||
DialWithDialerTLS: |
Server is running, but the given port is not open for connections. | Change the host or port, or wait until the server is repaired. |
||||
DialWithDialerTLS: |
The IMAP connection was ended while talking with the server. The server decided to end the connection. |
This is an issue with your server. Contact your system administrator. | ||||
DialWithDialerTLS: |
Cannot obtain the IP address for the given name. There is DNS failure. | Provide the correct hostname, or fix the DNS for the current hostname. | ||||
DialWithDialerTLS: |
There is a TLS negotiation error. | This is an issue with your server. Contact your system administrator. |