mail.his.com mailbox quotas increased

his.com and hers.com mailboxes on mail.his.com have been increased in size to 5 gigabytes.  You can add disk storage if you need it for $1/gb/month. You can check your storage status by logging on to https://webmail.his.com and hovering your mouse over the bar under your name at the top of the screen. Tip:  if you… Read More »

ALERT: major brute-force password-guessing attack on WordPress sites underway

There’s a significant attack by a botnet on WordPress sites, where the bots are trying to guess the passwords of common admin logins.  More info:  http://arstechnica.com/security/2013/04/huge-attack-on-wordpress-sites-could-spawn-never-before-seen-super-botnet/ If you are using WordPress and are using a common username or a common password, change it immediately to something less obvious. Update your WordPress admin password when in… Read More »

Planned maintenance: dc.his.com, mail.his.com upgrades – Done

In order to expand disk space to accommodate larger user disk allowances, Zimbra servers mail.his.com and dc.his.com will be taken offline briefly this weekend: mail.his.com – starting at 3 AM EDT, Saturday, April 6th – COMPLETED 5:20 AM April 6 dc.his.com – starting at 3 AM EDT, Sunday, April 7th – COMPLETED with no downtime.  

Phishing/Malware email

We’re seeing a significant  increase in the number of ‘phishing’ and malware email messages. Most of these are being stopped by Postini’s spam/virus filters, but some are getting through, and some are getting past our own spam/virus filters that we use to supplement Postini. These messages are well crafted and look like legitimate email from… Read More »

Using strong passwords

Over the past few months we’ve seen an enormous jump in the number of password-guessing attacks on our mail servers.  The attackers are spammers who are trying to get access to legitimate accounts so they can send spam. We have software in place that identifies and blocks these attacks, but if a password is too… Read More »

Bogus “Delivery Status Notification”

There is a trojan making the rounds that masquerades as a Delivery Status Notification. It contains the line: Note: Forwarded message is attached. The attachment is an html attachment which carries various javascript browser exploits/trojans. Postini is aware of the situation, and Postini Spam Engineering continues to monitor for new variants and will release additional… Read More »