Deliverability to umich.edu

Emails Sent to umich.edu: 1,039,254

Open Rate to umich.edu: 158,297 (15.2%)

Date range:
Display as:

Sent vs Opens for umich.edu

Date Sent Opens Open Rate
5/21/2022 963 36 0.0%
5/20/2022 1,155 82 0.0%
5/19/2022 985 124 0.0%
5/18/2022 1,133 245 0.0%
5/17/2022 1,009 114 0.0%
5/16/2022 1,338 258 0.0%
5/15/2022 618 21 0.0%
5/14/2022 734 52 0.0%
5/13/2022 986 139 0.0%
5/12/2022 1,000 182 0.0%
5/11/2022 1,593 437 0.0%
5/10/2022 1,245 187 0.0%
5/8/2022 664 34 0.0%
5/7/2022 697 40 0.0%
5/6/2022 1,037 98 0.0%
5/5/2022 874 130 0.0%
5/4/2022 919 194 0.0%
5/3/2022 1,395 336 0.0%
5/2/2022 1,117 241 0.0%
5/1/2022 379 69 0.0%
4/30/2022 279 61 0.0%
4/29/2022 614 109 0.0%
4/28/2022 765 131 0.0%
4/27/2022 845 167 0.0%
4/26/2022 1,377 184 0.0%
4/25/2022 1,331 192 0.0%
4/24/2022 1,066 56 0.0%
4/23/2022 970 58 0.0%
4/22/2022 1,509 303 0.0%
4/21/2022 1,293 231 0.0%

Blocks from umich.edu

No blocks during specified time frame

Bounces from umich.edu

Message Count
550 Requested action failed: User not found 118
Invalid:550-MailboxUnavailable 16
550 Unknown host: 4
550 5.5.0 Requested action not taken: mailbox unavailable. 1
550-5.1.1 The email account that you tried to reach does not exist. Please try 550-5.1.1 double-checking the recipient's email address for typos or 550-5.1.1 unnecessary spaces. 1

Methodology

Send and open statistics are updated daily. Bounces and blocks are updated in real-time. Every day, open statistics are updated for the last 14 days. Generally, you'll notice an increase of an open rate for a domain for a day over the course of 14 days, since not all open events occur the same day an email is sent. That means that open rate data is tied to the actual emails sent on a particular day.

Bounce and block codes are the codes as returned by the remote SMTP server after having been de-personalized. Meaning, unique identifiers present in SMTP codes are removed so that SMTP responses can be grouped for analysis. In certain cases, such as when the email is being relayed through an intermediary SMTP server, the remote SMTP server may not be the same as the MX record for the domain. SMTP codes are categorized as "bounces" vs "blocks" by internal human review. Bounces generally indicate an invalid email address. Blocks generally indicate a rejection of the email message but a valid email address.

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