Deliverability to att.net
AT&T offers several various email domains, one of which is ATT.net. Like other email providers, AT&T offers email accounts to AT&T account owners as well as non-account owners. Unlike other email providers, AT&T offers free AT&T Wi-Fi Hot Spot access to its email users.
Date range:
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Sent vs Opens for att.net

Date Sent Opens Open Rate
6/3/2023 3,664 250 0.0%
6/2/2023 7,048 773 0.0%
6/1/2023 8,785 971 0.0%
5/31/2023 8,891 1,277 0.0%
5/30/2023 8,727 854 0.0%
5/29/2023 5,554 525 0.0%
5/28/2023 4,284 346 0.0%
5/27/2023 5,295 415 0.0%
5/26/2023 8,561 1,028 0.0%
5/25/2023 9,281 1,094 0.0%
5/24/2023 11,138 1,249 0.0%
5/23/2023 12,140 1,577 0.0%
5/22/2023 9,672 1,085 0.0%
5/21/2023 3,929 372 0.0%
5/20/2023 3,095 352 0.0%
5/19/2023 7,927 1,209 0.0%
5/18/2023 9,509 1,547 0.0%
5/17/2023 9,215 1,090 0.0%
5/16/2023 9,507 1,105 0.0%
5/15/2023 8,559 941 0.0%
5/14/2023 4,605 646 0.0%
5/13/2023 7,632 608 0.0%
5/12/2023 9,423 953 0.0%
5/11/2023 7,939 1,071 0.0%
5/10/2023 10,736 1,057 0.0%
5/9/2023 8,316 1,117 0.0%
5/8/2023 9,451 1,290 0.0%
5/7/2023 4,319 376 0.0%
5/6/2023 5,118 547 0.0%
5/5/2023 8,503 1,050 0.0%

Blocks from att.net

No blocks during specified time frame

Bounces from att.net

Explanation of bounce codes

Message Count
550 5.2.1 ... Addressee unknown, relay= 3,790
550 5.2.1 ... blank mailhost - invalid address, relay= 989
SMTP; 554 30 Sorry, your message to cannot be delivered. This mailbox is disabled . 52
SMTP; 552 1 Requested mail action aborted, mailbox not found 45
Message queue continuously deferred for too long. See https://sendgrid.com/docs/glossary/throttling/#what-causes-a-deferral 19
421-4.7.28 Our system has detected an unusual rate of 421-4.7.28 unsolicited mail originating from your IP address. To protect our 421-4.7.28 users from spam, mail sent from your IP address has been temporarily 421-4.7.28 rate limited. Please visit 421-4.7.28 https://support.google.com/mail/?p=UnsolicitedRateLimitError 12
550 - message rejected AUP#SNDR 10
550 5.2.1 ... m2k addressee unknown, relay= 9
SMTP; 550 5.2.1 ... Addressee unknown, relay= 7
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. 5
SMTP; 554 Message permanently deferred due to unresolvable RFC.5321 from domain; see https://postmaster.yahooinc.com/error-codes 4
550 5.1.8 Access denied, bad outbound sender AS 3
550 5.4.6 : Recipient address rejected: Sender Hourly Bounce Limit Exceeded - will not be allowed to send emails till as hourly bounce limit is exceeded. Please refer to this: 1
550 Your account has sent over 200 messages per hour - 1
551 SenderAuthorization: is not authorized to send emails to this service. 1
553 5.3.0 ... 550 Addressee unknown, relay= 1
DNS Error. DNS type 'mx' lookup responded with code NXDOMAIN 1
Email was deferred due to the following reason: 1
NoMxRecord:0-0 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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