Category: Uncategorised

Spammers are getting more and more sophisticated and so are spam filters. They use many criteria to assess emails. What triggers the filter? If you log in to mail.mail.coop and choose quarantine from the email menu it is possible to see why each decision has been made. Some of these criteria are: The filter gives… Continue reading Controlling the spam filter

11:38am Following a security update to our mail servers we have a system problem with the mail.coop server that will prevent anyone being able to view mail. We are working urgently to correct this. Apologies for any inconvenience. 11:58am problem now resolved. Apologies for any inconvenience

On the afternoon of Wednesday July 31st at approximately 1.30pm we are planning to implement an upgrade to our back-up infrastructure for the mail.coop mail server. This will require a brief period of downtime where the mail server will be offline for about 30 minutes. We will work to ensure that this downtime is minimised.… Continue reading Update 25 July

Resolved: delayed outgoing email to Yahoo/Outlook/Hotmail Further to Thursday’s post, here is an update on the situation with emails being delayed when sent to Yahoo, Outlook and Hotmail addresses. As of today, Saturday 13 July, our tests indicate that there is no rate limiting or delays to mail sent from mail.coop’s servers to Yahoo or… Continue reading Update 13 July

Further to yesterday’s post about outgoing emails being delayed as a result of a compromised user account being used to send spam, further work has been done on this issue. Firstly, we have identified two further user accounts that have been compromised and abused. These accounts have been disabled. This places further emphasis on the… Continue reading Update 11 July

We’ve received a small number of reports from customers over the last 24 hours or so about delayed delivery of emails they are sending. This appears to be mainly limited to messages where the recipient address is at Yahoo or Hotmail/Outlook. Our team has been investigating the cause of the imposed delay, and we’ve identified… Continue reading Update 10 July

We’ve received reports this morning from customers experiencing problems sending and receiving emails. Our engineers are actively working to resolve this problem. Early indications suggest that our systems may be being targeted by a malicious attack, commonly known as a ‘denial of service’ attack or DOS. Update: Our systems are now responding normally, and customers… Continue reading Update 26 June

General update All mail.coop systems are running correctly Outlook.com and Hotmail ‘Rate limit’ This has now been cleared Microsoft systems removed the rate limit imposed on incoming mail.coop at approximately 7pm on 24 May. Background In our post of 24 May we referred to the ‘rate limit’ imposed on incoming traffic from mail.coop users by… Continue reading Update 29 May

General status All mail.coop systems have now been running continuously since 3 May apart from occasional restarts for maintenance. Email deliverability to Outlook and Hotmail A number of users have received warning emails after sending to Hotmail and Outlook users. These typically say: This is the mail system at host mail.mail.coop. #################################################################### THIS IS A… Continue reading Update 24 May

Work is progressing on tuning our servers in order to get the best out of them, enhance reliability, and address the performance and responsiveness issues that have been reported. We acknowledge the patience and cooperation of everyone while this process of “bedding in” takes place. Please rest assured that our team is very active in… Continue reading Update: May 1st