Email server settings

Poste Italiane PosteCert SMTP, IMAP & POP3 settings

Use these settings to add your Poste Italiane PosteCert account (postecert.it) to Outlook, Apple Mail, Thunderbird, your phone or any app that sends email over SMTP.

Incoming mail

IMAP

Server
mail.postecert.it
Port
993
Security
SSL/TLS
User name
full email address
Authentication
Normal password

Incoming mail

POP3

Server
mail.postecert.it
Port
995
Security
SSL/TLS
User name
full email address
Authentication
Normal password

Outgoing mail

SMTP

Server
mail.postecert.it
Port
465
Security
SSL/TLS
User name
full email address
Authentication
Normal password

How to set up Poste Italiane PosteCert in a mail app

  1. Choose add account → manual setup (or "other account") in your mail app.
  2. Enter your full Poste Italiane PosteCert email address and password.
  3. Pick IMAP for incoming mail and enter the server, port and security from the table above.
  4. Enter the SMTP server for outgoing mail (mail.postecert.it, port 465) and enable authentication with the same login.

If the login keeps failing, enable IMAP/POP access in the Poste Italiane PosteCert web settings and use an app password if your account uses two-step verification.

Official help

Settings from the Mozilla Thunderbird ISP database (MPL 2.0), which mail clients use for automatic setup.

Poste Italiane PosteCert email settings: FAQ

What is the Poste Italiane PosteCert SMTP server?

The outgoing (SMTP) server of Poste Italiane PosteCert is mail.postecert.it, port 465 with SSL/TLS. Log in with your full email address.

What are the Poste Italiane PosteCert IMAP settings?

Incoming mail (IMAP): server mail.postecert.it, port 993, security SSL/TLS, user name: your full email address.

Should I use IMAP or POP3?

Use IMAP if you read your email on more than one device: messages and folders stay in sync on the server. POP3 downloads messages to one device and is only useful for offline archives on a single computer.

Why does my Poste Italiane PosteCert login fail in a mail app?

Most providers block plain password logins from mail apps when two-step verification is on. Create an app-specific password in your account's security settings, or use an app that supports OAuth sign-in. Also check that IMAP or POP access is enabled in the webmail settings.

Email validation API

Validate postecert.it addresses before you send

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GET https://api.emailvalidation.io/v1/info?email=name@postecert.it

{
  "email": "name@postecert.it",
  "domain": "postecert.it",
  "mx_found": true,
  "smtp_check": …,
  "free": …,
  "disposable": false,
  "state": "…"
}

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