Real-time status of 9 SMTP (mail submission) servers worldwide. We probe the 220 banner, send EHLO, and check STARTTLS + AUTH capability for smtp.gmail.com, smtp-mail.outlook.com, smtp.protonmail.ch, and more.
| Server | Port | STARTTLS | AUTH | Response | Health | Last Check |
|---|---|---|---|---|---|---|
| smtp-mail.outlook.com | 587 | Yes | LOGIN,XOAUTH2 | 385 ms | UP | |
| smtp.gmail.com | 587 | Yes | LOGIN,PLAIN,XOAUTH2,PLAIN-CLIENTTOKEN,OAUTHBEARER,XOAUTH | 339 ms | UP | |
| smtp.mail.me.com | 587 | Yes | LOGIN,PLAIN,ATOKEN,ATOKEN2,WSTOKEN,WETOKEN,XOAUTH2 | 475 ms | UP | |
| smtp.mail.yahoo.com | 587 | — | — | 203 ms | UP | |
| smtp.protonmail.ch | 587 | Yes | PLAIN,LOGIN | 1397 ms | UP | |
| smtp.zoho.com | 587 | Yes | LOGIN,PLAIN | 420 ms | UP |