Saturday, July 2, 2016

Fatal error: Uncaught exception 'ImapMailboxException' with message 'Connection error: Can not authenticate to IMAP server

I am using php to connect and download mail from imap.google.com and also to send email using smpt.google.com this was working without any problem, sudenly this stop working and started to give error messages as bellow.

"Fatal error: Uncaught exception 'ImapMailboxException' with message 'Connection error: Can not authenticate to IMAP server: [AUTHENTICATIONFAILED] Invalid credentials (Failure)"

Fatal error: Uncaught exception 'ImapMailboxException' with message 'Connection error: Can not authenticate to IMAP server: [ALERT] Please log in via your web browser: https://support.google.com/mail/acco' in /xxxxxx/classes/ImapMailbox.php:51 Stack trace: #0 /home/xxxx/public_html/_backoffice/mailpilot/classes/ImapMailbox.php(42): ImapMailbox->initImapStream() #1 /xxxxxx/classes/ImapMailbox.php(114): ImapMailbox->getImapStream() #2 /xxxxxx/mail.v3.php(28): ImapMailbox->searchMailbox('ALL') #3 {main} thrown in/xxxxx/classes/ImapMailbox.php on line 51

Was looking for a solution two weeks and finally google contacted me with an answer, here is what you have to do.

It seems this error is related to the access to "Less secure apps" disabled for the user you're trying to connect via IMAP. Please follow these steps to solve this issue:

 1. In your Admin Console, follow the steps available at this support article https://support.google.com/a/answer/6260879?hl=en under the section "Enabling less secure apps to access accounts".

2. Log in as the affected user and follow the steps to "Allow less secure apps to access your account" as described at this support article https://support.google.com/accounts/answer/6010255.

Added Later: or go to this url https://myaccount.google.com/lesssecureapps

Added Later: If you have any smtp problem, make sure you have added cpanel username to firewall and also please follow the instruction in this url https://stackoverflow.com/questions/14297264/password-not-accepted-from-server-535-incorrect-authentication-data-when-send

Thanks Saf

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