Is port 587 available for email sending?

Updated 2026
Quick Answer

Yes, port 587 is available for outgoing email (SMTP with STARTTLS). However, we recommend using port 465 with SSL instead, which is the preferred secure SMTP port. Both work for authenticated email sending from your hosting account.

For the complete guide:

POP3 vs IMAP - Choosing the Right Email Protocol

This article has been consolidated into our POP3 vs IMAP - Choosing the Right Email Protocol guide for easier reference.

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