3 posts tagged with this.
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What Are the Ports for SMTP, POP3, and IMAP?
Our email services support auto-discovery for automatic client setup, but manual configuration requires the correct ports. This guide lists all supported SMTP, POP3, and IMAP ports including recommended encrypted settings on 465, 993, and 995. Learn protocol differences, ISP blocks on port 25, manua
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Is IMAP IDLE Supported?
ASPnix fully supports the IMAP IDLE extension (RFC 2177) across all email platforms. This includes Windows servers with SmarterMail and Linux environments. IDLE delivers real-time mailbox notifications for new messages and changes, enabling efficient push email without polling. Learn the technical d
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Is End-to-End Encryption Supported for Email?
All ASPnix email services support STARTTLS and TLS/SSL for SMTP, IMAP, and POP3. Windows SmarterMail systems also secure ActiveSync, EWS, and MAPI for Outlook. Delivery is encrypted whenever both endpoints support it. This guide covers protocols, configuration steps, testing with CheckTLS, common pi