- Webmail is hosted at our address (the Webmail button opens it directly), so
it does not depend on the customer's domain/DNS. Replaced the incorrect
"DNS still propagating" troubleshooting note.
- Outgoing SMTP: lead with port 465 (SSL/TLS) as the standard and present 587
(STARTTLS) as the alternate submission port; note that port 25 is for
server-to-server and shouldn't be used from a mail client. Updated the
IMAP-but-not-SMTP troubleshooting entry to match.
Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
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