Deliverability to cox.net
Emails Sent to cox.net: 3,631,789
Open Rate to cox.net: 331,048 (9.1%)
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Sent vs Opens for cox.net
| Date | Sent | Opens | Open Rate |
|---|---|---|---|
| 1/26/2021 | 3,398 | 91 | 0.0% |
| 1/25/2021 | 3,963 | 140 | 0.0% |
| 1/24/2021 | 1,855 | 71 | 0.0% |
| 1/23/2021 | 3,136 | 243 | 0.0% |
| 1/22/2021 | 3,900 | 242 | 0.0% |
| 1/21/2021 | 3,067 | 284 | 0.0% |
| 1/20/2021 | 2,902 | 179 | 0.0% |
| 1/19/2021 | 2,825 | 129 | 0.0% |
| 1/18/2021 | 3,306 | 139 | 0.0% |
| 1/17/2021 | 2,641 | 163 | 0.0% |
| 1/16/2021 | 2,611 | 94 | 0.0% |
| 1/15/2021 | 3,540 | 226 | 0.0% |
| 1/14/2021 | 3,020 | 167 | 0.0% |
| 1/13/2021 | 3,457 | 195 | 0.0% |
| 1/12/2021 | 2,809 | 176 | 0.0% |
| 1/11/2021 | 3,081 | 171 | 0.0% |
| 1/10/2021 | 1,919 | 178 | 0.0% |
| 1/9/2021 | 2,477 | 193 | 0.0% |
| 1/8/2021 | 3,153 | 322 | 0.0% |
| 1/7/2021 | 3,480 | 298 | 0.0% |
| 1/6/2021 | 2,695 | 280 | 0.0% |
| 1/5/2021 | 3,864 | 351 | 0.0% |
| 1/4/2021 | 2,342 | 139 | 0.0% |
| 1/3/2021 | 1,135 | 72 | 0.0% |
| 1/2/2021 | 1,305 | 85 | 0.0% |
| 1/1/2021 | 2,185 | 80 | 0.0% |
| 12/31/2020 | 2,319 | 104 | 0.0% |
| 12/30/2020 | 4,150 | 178 | 0.0% |
| 12/29/2020 | 1,991 | 136 | 0.0% |
| 12/28/2020 | 1,887 | 158 | 0.0% |
Blocks from cox.net
No blocks during specified time frame
Bounces from cox.net
| Message | Count |
|---|---|
| 550 5.1.1 Recipient address rejected: User does not exist. | 2,719 |
| Invalid:550-MailboxUnavailable | 2,707 |
| 452 4.1.0 server temporarily unavailable. Refer to Error Codes section at https://www.cox.com/residential/support/email-error-codes.html | 70 |
| 552 5.2.2 Quota exceeded | 70 |
| 421 cmsmtp too many sessions from 149.72.166.225. Refer to Error Codes section at https://www.cox.com/residential/support/email-error-codes.html | 15 |
| 552 5.2.0 sender rejected. Refer to Error Codes section at https://www.cox.com/residential/support/email-error-codes.html | 10 |
| 535 Incorrect authentication data | 5 |
| No IPs are available for this account | 5 |
| 421 cmsmtp too many sessions from 149.72.166.43. Refer to Error Codes section at https://www.cox.com/residential/support/email-error-codes.html | 4 |
| 421 cmsmtp too many sessions from 198.21.1.157. Refer to Error Codes section at https://www.cox.com/residential/support/email-error-codes.html | 4 |
| Email was deferred due to the following reason: | 3 |
| 421 recipient rejected. Refer to Error Codes section at https://www.cox.com/residential/support/email-error-codes.html | 2 |
| 421 cmsmtp too many sessions from 198.21.1.176. Refer to Error Codes section at https://www.cox.com/residential/support/email-error-codes.html | 2 |
| 554 5.4.14 Hop count exceeded - possible mail loop ATTR34 | 1 |
| SMTP; 550 5.1.1 Recipient address rejected: User does not exist. | 1 |
| 334 334 535 5.7.3 Authentication unsuccessful | 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.