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: 18,223,700

Open Rate to sbcglobal.net: 2,274,451 (12.5%)

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Sent vs Opens for sbcglobal.net

Date Sent Opens Open Rate
1/25/2025 3,828 293 0.0%
1/24/2025 6,285 496 0.0%
1/18/2025 3,132 318 0.0%
1/17/2025 5,181 657 0.0%
1/16/2025 5,341 874 0.0%
1/15/2025 4,819 740 0.0%
1/14/2025 4,819 988 0.0%
1/13/2025 4,592 575 0.0%
1/12/2025 1,773 283 0.0%
1/11/2025 2,072 332 0.0%
1/10/2025 4,804 743 0.0%
1/9/2025 5,201 738 0.0%
1/8/2025 4,120 659 0.0%
1/7/2025 4,464 658 0.0%
1/6/2025 4,137 608 0.0%
1/4/2025 2,421 250 0.0%
1/3/2025 3,515 343 0.0%
1/2/2025 4,304 452 0.0%
1/1/2025 2,460 315 0.0%
12/31/2024 3,363 448 0.0%
12/30/2024 5,276 698 0.0%
12/29/2024 2,540 216 0.0%
12/28/2024 3,936 294 0.0%
12/27/2024 4,148 405 0.0%
12/26/2024 3,706 367 0.0%
12/25/2024 2,682 372 0.0%
12/24/2024 4,299 674 0.0%
12/23/2024 5,125 587 0.0%
12/22/2024 3,154 294 0.0%
12/21/2024 3,042 370 0.0%

Blocks from sbcglobal.net

No blocks during specified time frame

Bounces from sbcglobal.net

Explanation of bounce codes

Message Count
550 5.2.1 ... Addressee unknown, relay= 1,458
553 5.1.8 ... Domain of sender address does not exist 364
550 5.2.1 ... blank mailhost - invalid address, relay= 204
SMTP; 554 30 Sorry, your message to cannot be delivered. This mailbox is disabled . 25
SMTP; 552 1 Requested mail action aborted, mailbox not found 3
553 5.3.0 alpd680 DNSBL:RBL assistance forward this error to 1
554 5.2.2 mailbox full; Failed to process message due to a permanent exception with message The process failed to get the correct properties. 1.84300, 1.84300F000000, 1.84300:A1000000, 1.84300, 1.84300, 1.73948, 1.108572, 0.117068, 1.79180, 1.79180F000000, 1.79180:FA000000, 255.73100, 5.95292F526F70730072, 8.111356F9FE86593ECC1F1F572B2F8F6BAC1F1F572B, 0.38698F1F572B, 0.91292F99A2, 1.41134, 7.36354C00000000, 1.46439A000000, 1.115228, 0.104668, 0.91292, 1.41134, 7.36354C86000000, 1.46439A000000, 1 1
no IPs are available for this account 1
554 5.2.2 mailbox full; Failed to process message due to a permanent exception with message Microsoft Unified Storage is full. Microsoft Unified Storage is full. 1
554 5.2.2 mailbox full; Failed to process message due to a permanent exception with message The process failed to get the correct properties. 1.84300, 1.84300F000000, 1.84300:A1000000, 1.84300, 1.84300, 1.73948, 1.108572, 0.117068, 1.79180, 1.79180F000000, 1.79180:FA000000, 255.73100, 5.95292F526F70730072, 8.111356F9FE86593ECC1F1F572B2F8F6BAC1F1F572B, 0.38698F5F19C9, 0.91292F83A2, 1.41134, 7.36354A00000000, 1.46439A000000, 1.115228, 0.104668, 0.91292, 1.41134, 7.36354A86000000, 1.46439A000000, 1 1
554 5.4.14 Hop count exceeded - possible mail loop ATTR34 1
550 5.1.1 User Unknown 1
550 5.1.10 Recipient not found by SMTP address lookup 1
SMTP; 552 3 Requested mail action aborted, mailbox not found 1
553 5.3.0 flpd599 DNSBL:RBL assistance forward this error to 1
554 5.2.2 mailbox full; Failed to process message due to a permanent exception with message The process failed to get the correct properties. 1.84300, 1.84300F000000, 1.84300:A1000000, 1.84300, 1.84300, 1.73948, 1.108572, 0.117068:A4000000, 1.79180, 1.79180F000000, 1.79180:FA000000, 255.73100, 5.95292F526F70730072, 8.111356F9FE86593ECC1F1F572B2F8F6BAC1F1F572B, 0.38698:AB037096, 0.91292FC5A2, 1.41134, 7.36354D00000000, 1.46439A000000, 1.115228, 0.104668, 0.91292, 1.41134, 7.36354D00000000, 1.4643 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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