Courier Mail Server vs IsTempMail
Overview
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CLI (Node.js)
Manual
Detailed Comparison
It is a mail transfer agent server that provides ESMTP, IMAP, POP3, SMAP, webmail, and mailing list services with individual components. It is best known for its IMAP server component. | Detect and block disposable, temporary, fake email addresses. Fight spam, fraud and free trial abuse. Available as WordPress plugin and via JSON API. |
Web-based administration and configuration tool;
Local mailboxes can be accessed via POP3;
Local mailboxes can be accessed via IMAP;
PAM, LDAP, PostgreSQL (beta), or MySQL authentication. LDAP authentication requires OpenLDAP to be installed. LDAP-based mail routing is also supported;
Authenticated SMTP;
XVERP and XEXDATA ESMTP extensions
| Real-time email validation, Disposable email detection, Large and frequently updated domain database, Easy JSON API integration, WordPress plugin support, Fast and accurate results, Prevent spam and fake signups, Reduce fraud and trial abuse |
Statistics | |
Stacks 2 | Stacks 0 |
Followers 18 | Followers 1 |
Votes 0 | Votes 1 |
Integrations | |
| No integrations available | |
What are some alternatives to Courier Mail Server, IsTempMail?
Gmail
An easy to use email app that saves you time and keeps your messages safe. Get your messages instantly via push notifications, read and respond online & offline, and find any message quickly.
ProtonMail
It is the world's largest secure email service, developed by CERN and MIT scientists. We are open source and protected by Swiss privacy law
tirreno
Open-source security framework. Understand, monitor, and protect your product from cyber threats, account takeovers, fake accounts, and abuse.
Microsoft Outlook
It is an application that is used mainly to send and receive emails. It can also be used to manage various types of personal data including calendar appointments and similar entries, tasks, contacts, and notes.
Yandex Mail
It is a free feature-rich email service with unlimited mailbox size. It has two-factor authentication and login history to prevent hacking. It scans all incoming mail for both spam, phishing, and malware.
InboxKit
Get US-IP Google & Microsoft Workspace accounts from $2.5. 95% inbox delivery. Works with SmartLead, Instantly, Lemlist, SalesForge, Warmy & more.
IPIntel.ai — AI-Powered IP Threat Scoring & Global Intelligence
Real-time IP threat scoring, subnet intelligence, AI-powered analysis and global cyber activity tracking. Fastest IP reputation API.
Temp Mail
Get a free disposable email address with Temp Mailin. Instantly receive emails, block spam, and protect your privacy. No registration needed.
DMARC Monitoring for Better Email Security
Protect your domain with Dmarclytics. Run free DMARC, SPF, and DKIM checks to stop spoofing, enhance email authentication, and improve deliverability with powerful monitoring tools.
InboxKit
InboxKit automates your entire cold email infrastructure. Buy domains, provision Google Workspace and Microsoft 365 mailboxes, configure DNS, and export to 16+ sequencers — all from one dashboard. Scale from 10 to 10,000 mailboxes without the manual setup headache.
