We're seeing bounces as of 8/31, around 5pm eastern. It looks like
hotmail.co.uk has changed their MX records, so it's not the same as hotmail.com
anymore. If you have a config on your mta that rolls up different MS domains
into one queue, you'll need to remove hotmail.co.uk out of that config.
Allen K
----- Forwarded Message -----
From: Angelina via mailop <[email protected]>
To: Alexander Burch <[email protected]>
Cc: mailop <[email protected]>
Sent: Friday, September 1, 2017 11:13 AM
Subject: Re: [mailop] hotmail.co.uk bouncing entire IP range with "mailbox
unavailable"
We're seeing it on our end as well as another ESP off list.
On Fri, Sep 1, 2017 at 8:18 AM, Alexander Burch <[email protected]>
wrote:
Anyone else seeing issue with hotmail.co.uk bouncing messages with this code:
"550 Requested action not taken: mailbox unavailable,"
That's usually reserved for invalid email addresses, but they are bouncing 100%
of the messages we send them on on of our IP ranges with that code. Just
started this morning.
Thanks,Alex
| | Alex BurchActiveCampaign / Deliverability Lead(800)
[email protected] N. Dearborn St., Chicago , Il 60602, United
States
|
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| Angelina Hagan |
| Trust and Safety Officer |
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| E: [email protected] |
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