Archive | November, 2011

Retry timeout exceeded – Exim greylist problem

This article relates to Exim 4, running in a WHM/cPanel environment under Centos, but may affect other configs too.

You may find instances where a local user tries to send mail to a host that operates greylisting. The messages never gets to the recipient. You see things like this in the exim_mainlog

2011-11-10 15:14:05 1ROWKK-0003I1-Ia <= localuser@localdomain.co.uk H=something.com (FredBlogs) [2.2.2.2] P=esmtp S=7852 id=!&!AAAAAAAAAAAYAAAAAAAAAEDCVk4NrhRJjsshyvaOnAfCgAAAEAAAAOV7jpjiT51Jm/WbyNPkywIBAAAAAA==@domain.co.uk T="FW: test" for remoteuser@remotedomain.co.uk
2011-11-10 15:14:06 1ROWKK-0003I1-Ia == remoteuser@remotedomain.co.uk <remoteuser@remotedomain.co.uk> R=lookuphost T=remote_smtp defer (-44): SMTP error from remote mail server after RCPT TO:<remoteuser@remotedomain.co.uk>: host mail.host100.co.uk [5.5.5.5]: 451 Greylisted, please try again in 223 seconds
2011-11-10 15:14:06 1ROWKK-0003I1-Ia ** remoteuser@remotedomain.co.uk: retry timeout exceeded
2011-11-10 15:14:06 1ROWKK-0003I1-Ia Completed
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How to switch from Mobile Me iCloud to Google Apps

I decided to divorce myself from the Apple-a-tron that is iCloud for a number of reasons.

  • I don’t like being forced to upgrade to iCloud
  • I don’t like being forced to upgrade to Lion to use iCloud
  • As a user of Adobe CS5 and numerous peripherals for photo/print etc, I can’t see how upgrading to Lion is going to make anything easier for me (actually the reverse)
  • I felt it was time to move my online self to a domain that I control, instead of me.com or mac.com

So, how to do it? I run a number of Macs, and an iPhone so whatever I choose has to work on both, and be relatively painless. This guide isn’t for total beginners, I wish I had the time to describe every step in detail with screenshots, but anyone with a sense of adventure should get through this guide without difficulty. Read More…