| Price from | Free | Free |
| Free plan | Yes | Yes |
| Free trial | — | — |
| Open source | — | — |
| Web | Yes | Yes |
| iOS | Yes | Yes |
| Android | Yes | Yes |
| Plans published | 3 | 1 |
| Spec score · Personal Email Services | 8.8 (#12) | 7.6 (#95) |
| Ad-free inbox | No | Yes |
| Authentication | AT&T recommends OAuth apps, which it says encrypt the username and password; apps without OAuth require a 16-character secure mail key. | TELUS says third-party email, calendar, and contacts apps must support OAuth to access the migrated service after Google disabled legacy applications on September 30, 2024. |
| Free plan | Yes | Yes |
| Intended users | AT&T Mail supports AT&T email customers, including people with eligible new addresses and users of supported legacy domains. | The product page offers TELUS Email to TELUS Internet subscribers as part of their subscription. |
| Mobile apps | AT&T lists Apple Mail, Outlook Mobile, and Yahoo Mail for supported iOS devices, and Gmail, Outlook Mobile, and Yahoo Mail for supported Android devices. | TELUS provides setup instructions for the Gmail app, Apple Mail on iPhone and iPad, and Outlook on iPhone and iPad. |
| Platform access | web_mobile_desktop | web_and_mobile |
| Storage | AT&T says the service includes 1TB of storage. | Each mailbox has 15 GB of storage, and TELUS says that is enough for about 200,000 emails. |
| Support | AT&T provides self-service setup, troubleshooting, security, password, and account recovery help, plus support videos. | TELUS advertises 24/7 support for its email service. |
