Deliverability to sbcglobal.net
Originating from the once widely used telephone service provider, Southwestern Bell, SBCGlobal.net has seen its own share of change. Now an AT&T affiliate, and most recently, part of Yahoo! SBCGlobal.net users may access their email via AT&T Yahoo! at ATT.net.

Emails Sent to sbcglobal.net: 6,239,621

Open Rate to sbcglobal.net: 778,703 (12.5%)

Date range:
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Sent vs Opens for sbcglobal.net

Date Sent Opens Open Rate
1/22/2021 10,999 1,067 0.0%
1/21/2021 9,563 1,119 0.0%
1/20/2021 10,095 1,123 0.0%
1/19/2021 9,779 977 0.0%
1/18/2021 10,662 889 0.0%
1/17/2021 7,030 558 0.0%
1/16/2021 8,153 663 0.0%
1/15/2021 9,343 1,136 0.0%
1/14/2021 10,642 1,227 0.0%
1/13/2021 10,568 1,142 0.0%
1/12/2021 11,725 1,232 0.0%
1/11/2021 9,646 1,231 0.0%
1/10/2021 5,734 668 0.0%
1/9/2021 8,108 1,016 0.0%
1/8/2021 10,359 1,419 0.0%
1/7/2021 10,639 1,315 0.0%
1/6/2021 10,473 1,431 0.0%
1/5/2021 9,534 1,209 0.0%
1/4/2021 6,492 777 0.0%
1/3/2021 3,458 430 0.0%
1/2/2021 3,601 413 0.0%
1/1/2021 6,574 548 0.0%
12/31/2020 7,404 805 0.0%
12/30/2020 10,022 785 0.0%
12/29/2020 7,213 741 0.0%
12/28/2020 4,415 573 0.0%
12/27/2020 2,793 382 0.0%
12/26/2020 3,268 270 0.0%
12/25/2020 3,806 388 0.0%
12/24/2020 7,819 706 0.0%

Blocks from sbcglobal.net

No blocks during specified time frame

Bounces from sbcglobal.net

Message Count
550 5.2.1 ... Addressee unknown, relay= 5,837
550 5.2.1 ... blank mailhost - invalid address, relay= 547
SMTP; 554 30 Sorry, your message to cannot be delivered. This mailbox is disabled . 98
535 Incorrect authentication data 18
SMTP; 552 1 Requested mail action aborted, mailbox not found 13
554 The domain is unverified and requires DNS configuration. Log in to your control panel to view required DNS records. 6
No IPs are available for this account 6
550-5.2.1 The email account that you tried to reach is disabled. 3
550 5.4.300 Message expired -> 452 4.2.2 The email account that you tried to reach is over quota. Please direct;the recipient to; https://support.google.com/mail/?p=OverQuotaTemp 1
550 5.7.1 Connections not accepted from servers without a valid sender Fix reverse DNS for 149.72.224.98 1
550 5.7.1 Connections not accepted from servers without a valid sender Fix reverse DNS for 168.245.22.86 1
DNS Error. DNS type 'mx' lookup responded with code NXDOMAIN 1
Failed to process account credentials. 1
SMTP; 550 5.2.1 ... Addressee unknown, relay= 1
SMTP; 552 40 Requested mail action aborted 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.