Quick situation summary
Server/network down time:
Looks like it was a power issue. Basically we have to believe what they say since we weren't actually there, though we have to question why the backup generators clearly hadn't been tested regularly. More details in this thread. http://www.emaildiscussions.com/...threadid=14962 Naturally we don't want to jump to immediate conclusions, but clearly we'll be making some hard decisions over the next couple of weeks to determine our future relationship with NYI. Original choice of NYI: At the time we moved from RackSpace, we sent out RFP's to over a dozen providers. One of the people we sent it to even wrote back saying "It was the most comprehensive RFP he'd ever seen". The two providers that clearly stood out were NYI and Peer 1 networks, and we went with NYI because of their better "on paper" connectivity, support and reputation. For instance, they survived 9/11 with no downtime. Also importantly to us, they had an excellent track record on abuse handling. They'd previously been selected as spamcop's host. Backup MX overload: In summary, the smtp.eu server was overloaded. It's never been asked to handle the full brunt of ALL email for fastmail for several hours. Our smtp.eu administrator had unbeknownst to us turned on sender address verification to reduce spam sent through the secondary MX server. Unfortunately this hadn't been stress tested, and turned out to be rather resource intensive which was part of the reason the machine became overloaded. That's why we setup a new server in Texas ASAP to handle backup email and we changed smtp.eu to point to it as soon as we could get it ready. Now that things are back to normal, we've made the Texas server the smtp.us2 server, and smtp.eu is now a backup, backup. This means we now have 3 completely geographically separate mail servers. Current situation: All our mail queues have now been cleared, so any mail we had queued has been delivered. Some external sites may still have email for FastMail in their deferred queue, so more email may come in in the next 12 hours or so. All web/imap/pop/etc services seem to be running normally right now. Rob |
Thanks for the update, Rob! As always your communication with the users is greatly appreciated!
--K |
Great news! It'll be interesting to see what NYI's new state-of-the-art coloc will look like... will you guys give them benefit of the doubt and wait for news of this new data center?
Incidentally, are you able to give us more details on the hosting of the Texas server? |
Thanks for the update Rob.
I've been away from a computer for the last 48 hours so I havn't try to access FM whilst it was down. Will incoming mail have been lost, bounced back to sender or delivered into my FM mailbox? It's a rudimentary question that isn't answered by the weblog entry, nor your forum post. |
Incoming mail will have been delivered to your inbox, except in rare cases where the sending server was configured to not queue mail, and failed to reach our backup server. In this case, the sender would get an undeliverable message notification.
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Backup web servers
Rob wrote:
"Backup MX overload: In summary, the smtp.eu server was overloaded. It's never been asked to handle the full brunt of ALL email for fastmail for several hours. Our smtp.eu administrator had unbeknownst to us turned on sender address verification to reduce spam sent through the secondary MX server. Unfortunately this hadn't been stress tested, and turned out to be rather resource intensive which was part of the reason the machine became overloaded. Backup MX overload: In summary, the smtp.eu server was overloaded. It's never been asked to handle the full brunt of ALL email for fastmail for several hours. Our smtp.eu administrator had unbeknownst to us turned on sender address verification to reduce spam sent through the secondary MX server. Unfortunately this hadn't been stress tested, and turned out to be rather resource intensive which was part of the reason the machine became overloaded." This still doesn't explain why I could not get to www.fastmail.fm homepage for the duration of NYC outage. Don't you have backup web servers in place? Amin |
For you to read your mail, the server that actually stores your e-mail must be up. The backup servers are for queuing, and name services.
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Re: Quick situation summary
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No redundancy?
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;) |
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Re: Re: Re: No redundancy?
Does anyone know any email provider that has backup webmail/pop/imap access to all user email at a different geographic location?
How many email providers provide backup mail servers (i.e., SMTP) on different geographic locations? |
Does anyone know half as much about any other mail provider as you do about Fastmail or Runbox? We're pretty nosey about this stuff but has Hotmail ever told you anything like what Fastmail tells you?
Hotmail supposedly has 5,000 servers (I think Edwin worked that out once) so I suppose they have the ability to provide my data from more than one place. But there have been two occasions I recall when they were unavailable to thousands of users -- remember the time they had a primary go down and it turned out that the backup data was junk? That was a self-inflicted problem. Another time they corrupted a bunch of people's passports or something of the sort. Those errors took better than full days to resolve. So if Microsoft can have a failure, why can't Fastmail? :) |
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