To troubleshoot the IMAP error(Inbox lock errors) while accessing mailbox via any webmail clients(Horde, SquirrelMail, NeoMail, Round Cube etc.): The error will be shown as below, Connection dropped by IMAP server ERROR: Connection dropped by IMAP server. Query: SELECT “INBOX” Reason Given: Unable to open this mailbox. The error usually occurs when there is inbox.lock […]
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December 12th, 2011
Spamd failing
If you find the “spamd” failing error on an exim restart. root@server [~]# /etc/init.d/exim restart Shutting down exim: [ OK ] Shutting down antirelayd: [ OK ] Shutting down spamd: [ FAILED ] Starting exim-26: [ OK ] Starting exim: [ OK ] Starting exim-smtps: [ OK ] Starting antirelayd: [ OK ] Solution When […]
December 12th, 2011
Setting Forwarder For Outgoing Email For a Domain
Tags: To set a forwarder for all outgoing emails from a particular domain to an email address, follow the steps given below. Note:- This is only tested on cPanel11 Server. 1. Take the file /etc/cpanel_exim_system_filter in any of your favorite editor like pico, vim etc 2. Append the following contents to the file /etc/cpanel_exim_system_filter. if ( $received_protocol is […]
December 12th, 2011
Mail Error message: Error 550 “The recipient cannot be verified”
On servers running cPanel, some times it is found that mail sent to valid users is bounced back by the mail server. The bounce back messages will be similar to the following. PERM_FAILURE: SMTP Error (state 9): 550-“The recipient cannot be verified. Please check all recipients of this550 message to verify they are valid. If […]
December 12th, 2011
Useful Exim Commands
Exim is a mail transfer agent used on Unix-like operating systems. Exim is highly configurable, and therefore has features that are lacking in other MTAs. Exim has always had substantial facilities for mail policy controls, providing facilities for the administrator to control who may send or relay mail through the system. To print a count […]
December 12th, 2011
The recipient cannot be verified. Please check all recipients of this 550 message to verify they are valid
If you are receiving the following error; PERM_FAILURE: SMTP Error (state 13): 550-“The recipient cannot be verified. Please check all recipients of this 550 message to verify they are valid.” Solution : First you need to check the corresponding Domain name in the file ‘/etc/valiases’. root@f ~] cat /etc/valiases/domainname *: username@domainname Here ‘username@domainname’ indicates an […]
December 12th, 2011
How to delete frozen mails from Exim mail queue
Sometimes there can be so many frozen mails in the Exim mail queue. To know the number of frozen mails in the mail queue, you can use the following command exim -bpr | grep frozen | wc -l In order to remove all frozen mails from the Exim mail queue, use the following command exim […]
December 12th, 2011
Exim: change the outgoing mail server IP address.
By default Exim will be using the main server IP to send mails. If the main server IP is listed in any spam database, then we will not be able to send mails. In order to fix this, we can change the Exim mail server IP to any other IP (which is not blacklisted) on […]
December 12th, 2011
Error deleting email account of deleted add-on domain
Suppose you have removed the add-on domain, say domain.com and if the email accounts still exists on the server. And when you delete the email accounts, you get the error “Account does not exist”. You can follow the steps given below to fix this issue. 1. First, delete the folders and files of that particular […]
December 12th, 2011
Email Setup on iPhone
Please follow this guide to install your IMAP e-mail account: 1. Click on Settings. 2. Click on ‘Mail, Contacts, Calendars’. 3. Click on Account. 4. Click on Other Fill the details: Name : Your name Address : Your email address Password : Your account password Description : Whatever you like here, but typically your email […]
