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Tag Archives: postfix

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  2. Entries tagged with "postfix"

Technology Errors

Postfix Error: cannot update mailbox /var/mail/user for user user. error writing message: File too large

ErrorsBy alexFebruary 26, 2011Leave a comment

Earlier while troubleshooting an error with PHP’s mail function I noticed an error in the maillog on a CentOS server. I know I have run into this error before and previously I fixed the issue by setting a larger size limit on the Postfix mailboxes. Below is information about the Postfix error in the maillog…

Technology Errors

postfix/smtpd[XXXXX]: fatal: unsupported dictionary type: mysql, Postfix maillog Errors

ErrorsBy alexJanuary 11, 20112 Comments

I recently updated a development server running CentOS and ran into various minor issues including one regarding postfix being compiled with MySQL support. The development server runs ISPConfig for various virtual hosts and after upgrading all the packages on the server which included Postfix I noticed errors in the maillog. Below I describe what the…

Technology Errors

Cannot Update Mailbox /var/mail/root For User Root. Error Writing Message: File Too Large

ErrorsBy alexDecember 7, 20101 Comment

Earlier today while looking into an issue on a CentOS Linux server I noticed an error message in the maillog file. The mail server running on this Linux server is Postfix and it appeared to have been complaining of the size of root’s mailbox located at /var/mail/root. When I first started investigating I figured I…

Technology Errors

Postfix Error: cannot update mailbox /var/mail/root for user root. cannot create file exclusively: No such file or directory

ErrorsBy alexNovember 29, 2010Leave a comment

While working on a project unrelated to Postfix on a CentOS server I noticed an error in the mail logs that indicated an issue with the root users mailbox. I have yet to locate the root cause of the problem however I was able to resolve the problem easily. Below I explain the error in…

Technology Insights

Clear Out Postfix Queue, Analyze Postfix Email Queue

InsightsBy alexJune 5, 2010Leave a comment

Earlier today we had a minor issue on a development server that generated around 175,000 emails dumped into a Postfix queue in a short amount of time. I needed to first analyze the emails and second clear the Postfix queue. Below is information on how to learn more about the emails in the Postfix queue,…

Code Snippets

Postfix Logrotate Script For Gentoo Linux

Code SnippetsBy alexJanuary 10, 2010Leave a comment

Working on a friends server earlier this morning I noticed that he had logrotate configured but he did not have a configuration file for Postfix. Below is the quick one I whipped up for his environment including a brief explanation of each line of the configuration file below the script. Following the explanation of the…

Technology Insights

Remove Amavis Content Filter From Postfix Configuration, Requeue All Postfix Email Messages

InsightsBy alexDecember 26, 20098 Comments

I installed ISPConfig awhile back on a web hosting server that at one point also hosted email accounts. I recently moved all of the email to a different server and wanted to cut down on CPU and memory usage so I needed to disable amavisd, clamd, courier-imap, and courier-authlib. These services provided a way to…

Technology Insights

WordPress Not Sending Mail After Moving Site to a New Server

InsightsBy alexJuly 15, 200912 Comments

There could be a couple issues causing WordPress to not send mail however in a server move the most likely is that the previous server was using Sendmail and the new server is using a different mail server like Postfix or vice versa. There also are a couple ways to resolve the issue and I…

Technology Insights

Extra SPAM Protection For ISPConfig Running Postfix

InsightsBy alexSeptember 27, 20085 Comments

This article was written to create an easy step to add more SPAM protection to ISPConfig when you are running postfix. This not only will cut down on SPAM but it will also cut down on load by not sending as much SPAM to spamassassin. Below are some SPAM protection additions that can be made…

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