GoDaddy SMTP Settings
Domain registrar that also sells mailboxes: Professional Email by Titan or Microsoft 365.
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Outgoing mail (SMTP)
SMTP server
smtp.office365.com
Port. STARTTLS
587
Security
STARTTLS on 587. GoDaddy Professional Email runs on Microsoft 365.
Incoming mail (IMAP)
IMAP server
outlook.office365.com
Port. SSL/TLS
993
Incoming mail (POP3)
POP3 server
outlook.office365.com
Port. SSL/TLS
995
Sending limits & login
Daily send limit
Follows Microsoft 365 limits: up to 10,000 recipients per day.
Authentication
SMTP AUTH must be enabled on the mailbox. Because this is Microsoft 365, Basic Auth for IMAP/POP is disabled on most tenants, so those protocols may require OAuth/modern auth rather than an app password.
App password
Manage security and app passwords via your Microsoft 365 account settings.
Newer GoDaddy Professional Email is Microsoft 365-based (settings above). Legacy GoDaddy Workspace Email used smtpout.secureserver.net (465) with pop/imap.secureserver.net.
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GoDaddy SMTP, IMAP and POP3 settings
GoDaddy does not run one mail platform, it resells two. Professional Email is Titan's service under GoDaddy branding and uses secureserver.net hostnames, while Microsoft 365 from GoDaddy puts your mailbox on Exchange Online. The older Workspace Email product is being retired and those accounts are being moved to Microsoft 365, so settings that worked for years are changing.
For incoming mail, use the IMAP server outlook.office365.com on port 993, or POP3 at outlook.office365.com on port 995. Pick the exact values from the tool above and copy them straight into your mail client.
Checked against GoDaddy's own documentation: godaddy.com. Ports and limits change, so check there too if something will not connect.
GoDaddy settings at a glance
One card with every server and port on it. Right click to save it, or share the page and this is the preview people see.
What to enter as your GoDaddy username and password
Wrong credentials, not a wrong port, are the usual reason a GoDaddy connection fails. These are the exact values to type.
Your full email address, for example you@yourdomain.com
Your mailbox password, the same one you use to sign in to GoDaddy Webmail
Get your email passwordHow to set up GoDaddy in a mail client
The exact path through GoDaddy's own settings, in order.
- 1
Check which GoDaddy email you actually have
Sign in at https://email.godaddy.com. The Email & Office dashboard shows whether the mailbox is Professional Email powered by Titan or Microsoft 365, and the two need completely different settings.
- 2
Use the Professional Email server settings
For Titan-based Professional Email, incoming is imap.secureserver.net on port 993 with SSL, and outgoing is smtpout.secureserver.net on port 465 or 587 with SSL.
- 3
Turn on outgoing authentication
GoDaddy's Outlook guide says to tick 'My outgoing server (SMTP) requires authentication' and use the same sign-in as the incoming server.
- 4
Read Microsoft 365 values from Outlook on the web
GoDaddy does not publish them. Sign in to Outlook on the web, then go to Settings, Mail, Sync email to see the POP, IMAP and SMTP values for your mailbox. The same GoDaddy page warns that Microsoft 365 no longer supports POP and IMAP in Outlook, Apple Mail, Gmail and most clients, and tells you to use Exchange settings instead.
- 5
Turn on Authenticated SMTP for Microsoft 365
In the Microsoft 365 admin centre go to Users, Active users, pick the user, Mail, Manage email apps, and tick Authenticated SMTP.
What GoDaddy looks like filled in
Every mail client asks for the same handful of fields. Here they are with GoDaddy's values already in place.
Account settings: GoDaddy
Server
smtp.office365.comPort
587Encryption
STARTTLSAuthentication
RequiredUsername
Your full email address, for example you@yourdomain.comPassword
Your mailbox password, the same one you use to sign in to GoDaddy WebmailServer
outlook.office365.comPort
993Encryption
SSL/TLSAn illustration of the fields, not a screenshot of any one app. Field names differ slightly between Outlook, Apple Mail and Thunderbird; the values do not.
GoDaddy SMTP settings in Thunderbird
The outgoing server dialog with GoDaddy's details entered. Outlook and Apple Mail ask for the same four things under slightly different names.
Which port should you use for GoDaddy?
STARTTLS on 587. GoDaddy Professional Email runs on Microsoft 365.
STARTTLS
Starts as a plain connection, then upgrades to an encrypted one. The modern standard for sending.
SSL/TLS
GoDaddy does not accept SSL/TLS on 465. Use the STARTTLS port instead.
Plain SMTP
Meant for server-to-server relay. Home networks and cloud hosts block it, so do not use it to send from a client.
Why your GoDaddy connection is failing
The failures people actually hit with GoDaddy, and what fixes each one.
Professional Email allows 1,500 messages a day through webmail but only 500 a day per mailbox over SMTP. Move bulk sending to a dedicated relay.
Workspace Email is being retired and those mailboxes are moved to Microsoft 365. After the move, GoDaddy tells you to update the client to Exchange settings, and because some clients will not hold the same address twice you may have to remove the old POP or IMAP account first.
Authenticated SMTP is off by default on Microsoft 365 tenants created after January 2020. An admin enables it at Users, Active users, the user, Mail, Manage email apps.
Professional Email caps a single message at 100 addresses across To, Cc and Bcc, and at 30 MB including attachments. Microsoft 365 from GoDaddy allows 500 recipients and 35 MB.
That is the hosting relay, not the mailbox. GoDaddy cPanel hosting relays 500 messages a day per email user and 500 an hour across the whole hosting account; Plesk and Managed WordPress allow 1,000 a day.
GoDaddy sending limits
Limits are set by the product you bought, not by GoDaddy centrally: Microsoft 365 from GoDaddy adds a 30 messages per minute ceiling, and GoDaddy web hosting has its own separate relay limit.
Per day
500 messages per mailbox per day over SMTP and 1,500 via webmail on Professional Email; 10,000 messages per 24 hours on Microsoft 365 from GoDaddy
Recipients per message
100 addresses across To, Cc and Bcc on Professional Email; 500 on Microsoft 365 from GoDaddy
Max attachment
30 MB total message size on Professional Email; 35 MB sent and 36 MB received on Microsoft 365 from GoDaddy
GoDaddy servers by region and plan
GoDaddy does not use one set of hostnames everywhere. Match the row to your account.
| Region or plan | SMTP | IMAP | POP3 |
|---|---|---|---|
| Professional Email (powered by Titan) | smtpout.secureserver.net | imap.secureserver.net | Not applicable |
| Microsoft 365 from GoDaddy | smtp.office365.com | outlook.office365.com | outlook.office365.com |
GoDaddy quirks by mail client
Outlook
GoDaddy's own Outlook for Windows guide requires ticking 'My outgoing server (SMTP) requires authentication', otherwise smtpout.secureserver.net refuses the message.
other
GoDaddy recommends running Professional Email in the Titan mobile and desktop apps, though it also publishes IMAP and SMTP instructions for third-party clients.
Sending cold email through GoDaddy
Follows Microsoft 365 limits: up to 10,000 recipients per day. SMTP AUTH must be enabled on the mailbox. Because this is Microsoft 365, Basic Auth for IMAP/POP is disabled on most tenants, so those protocols may require OAuth/modern auth rather than an app password.
Those caps make single-mailbox sending fine for personal mail but a poor fit for cold outreach at volume. Emailchaser spreads sending across warmed inboxes and manages deliverability, so you can scale without burning GoDaddy accounts.
Other business email and web hosting
Setting up more than one mailbox? These sit in the same category as GoDaddy.
Common questions about GoDaddy SMTP settings
What are GoDaddy's SMTP settings?
GoDaddy's outgoing (SMTP) server is smtp.office365.com. Use port 587 (STARTTLS). STARTTLS on 587. GoDaddy Professional Email runs on Microsoft 365. Sign in with your full email address and password (or app password).
What is GoDaddy's IMAP or POP3 server?
GoDaddy's incoming IMAP server is outlook.office365.com on port 993 (SSL/TLS). If you prefer POP3, use outlook.office365.com on port 995.
Which port should I use for GoDaddy?
Use port 587 with STARTTLS wherever it's offered, it's the modern standard for authenticated sending. Port 465 with SSL/TLS is a solid alternative. Avoid port 25, which most networks block for client sending. GoDaddy's recommended value is above.
Why won't my GoDaddy SMTP connection work?
Check authentication first: SMTP AUTH must be enabled on the mailbox. Because this is Microsoft 365, Basic Auth for IMAP/POP is disabled on most tenants, so those protocols may require OAuth/modern auth rather than an app password. Manage security and app passwords via your Microsoft 365 account settings. Then confirm the host, port and security method match exactly, a 587/SSL or 465/STARTTLS mismatch will fail to connect.
Can I send bulk or cold email through GoDaddy?
Not at scale. Follows Microsoft 365 limits: up to 10,000 recipients per day. Providers throttle bursts to fight spam, so pushing cold email through one mailbox hits limits and wrecks deliverability. High-volume outreach belongs on dedicated infrastructure that spreads sending across warmed inboxes, which is what Emailchaser does.
Is GoDaddy Professional Email the same thing as Titan?
Yes. GoDaddy resells Titan's mail service under the Professional Email name, which is why GoDaddy's help pages are titled 'Professional Email powered by Titan'. The hostnames are GoDaddy's own secureserver.net names rather than Titan's, so a Titan guide will give you the wrong servers.
My old GoDaddy Workspace Email settings stopped working. What happened?
GoDaddy is retiring Workspace Email and moving those mailboxes onto Microsoft 365. Once your account has moved you need to update your desktop or mobile client to Exchange settings. If your folders look missing afterwards, GoDaddy says they are safe in an In-Place Archive folder in Microsoft 365.
Why does GoDaddy list two SMTP ports, 465 and 587?
Both are documented for Professional Email. Port 465 encrypts the connection from the first byte; port 587 is the fallback when a network or router blocks 465. Either is fine, and both need outgoing authentication switched on.
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