Send through the email
provider you already use
Connect Gmail, Outlook, or Yahoo in minutes and let Mailer handle delivery, tracking, and bounce management for you.
GmailSend beautiful emails straight from your Gmail account
Connect your Gmail via Google SMTP or OAuth and start sending transactional and marketing emails in minutes. No complicated setup — just authorize, configure, and go.
- Google OAuth & App Password support
- Send up to 500 emails/day on free Gmail
- Full DKIM & SPF alignment out of the box
- Works with Google Workspace accounts
Gmail SMTP
you@gmail.com · OAuth 2.0
312
Sent today
99.1%
Delivered
188
Quota left
Recent sends
Welcome to Mailer 👋
alice@company.com
Your invoice is ready
bob@startup.io
Weekly digest — June
carol@agency.co
OAuth verified
Google account authorized
OutlookReach your audience through Microsoft Outlook
Use your Outlook or Microsoft 365 account as the sending engine. Plug in your SMTP credentials or connect via OAuth and Mailer handles the rest — delivery, tracking, and retries included.
- Microsoft 365 & Outlook.com support
- Modern OAuth authentication
- Compatible with Exchange on-premise
- Shared mailbox sending supported
Outlook / M365
you@company.onmicrosoft.com
1.2k
Sent today
99.8%
Delivered
0.2%
Bounced
Auth config
DKIM signed
Domain verified
Yahoo MailLeverage Yahoo Mail SMTP for your campaigns
Authenticate with Yahoo's SMTP server using an App Password and start sending through Mailer immediately. Reliable delivery with full bounce and complaint handling built in.
- Yahoo SMTP with App Password auth
- Automatic bounce classification
- Complaint feedback loop integration
- Works with Yahoo Business Mail
Yahoo Mail SMTP
smtp.mail.yahoo.com · Port 587
89
Sent today
0
Bounced
0
Complaints
SMTP settings
smtp.mail.yahoo.com587 (STARTTLS)App PasswordBounce handling
0
Hard
2
Soft
87
Clean
Complaint handled
Auto-unsubscribed
REST API
Build your own integration
Our fully-documented REST API lets you send transactional emails, manage contacts, and track events from any codebase.