Port 587 is the preferred port for outgoing mail submission.
Knowledgebase
- Portal Home
- Knowledgebase
- What SMTP port should I use?
- SMTP, SMTP Port, Email Port
- 30 Users Found This Useful
Related Articles
IMAP Folders are not displaying in Outlook
When an account is setup as IMAP in Outlook sometimes the folders do not display. To get the...
"550 Authentication is Required for Relay" when Sending Email
Problem: Emails sent from an email client, like Microsoft Outlook or Outlook Express, result in...
Syncronize contacts, Calendar on iPhone - CalDAV, CardDAV
CardDAV for Address Book Follow these steps to set up sync through CardDav: Settings...
Syncronize contacts, notes, and calendar using SyncML
To synchronize contacts via SyncML, users need to install the Funambol SyncML client to their...
Turn off Focused Inbox in Outlook
This article provides instruction on how to turn off Focused Inbox in Outlook 2016, Outlook on...