SendGridTwilio SendGrid
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Related Products
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About
What is Postfix? It is Wietse Venema's mail server that started life at IBM research as an alternative to the widely-used Sendmail program. Now at Google, Wietse continues to support Postfix. Postfix runs (or has run) on AIX, BSD, HP-UX, IRIX, LINUX, MacOS X, Solaris, Tru64 UNIX, and other UNIX systems. It requires ANSI C, a POSIX.1 library, and BSD sockets. Postfix attempts to be fast, easy to administer, and secure. The outside has a definite Sendmail-ish flavor, but the inside is completely different. Multiple SMTP deliveries over the same TLS-encrypted connection. This reuses the existing tlsproxy(8) and scache(8) services. MySQL stored procedure support. Gradual degradation: in many cases a Postfix daemon will log a warning and continue providing the services that are still available, instead of immediately terminating with a fatal error. Postfix can set the execute bit on a queue file. If this does not work, then no mail will ever be delivered.
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About
Email is the backbone of your customer engagement. The Twilio SendGrid Email API is the email service trusted by developers and marketers for time-savings, scalability, and delivery expertise. Our flexible Email API and proprietary Mail Transfer Agent (MTA), intuitive console, powerful features, and email experts make it easy to ensure all your email gets delivered in seconds and without interruption. Monitor engagement data and optimize deliverability with our Deliverability Insights dashboard.
Whether you’re sending 100 emails or 100 billion, SendGrid is built to scale. Integrate with our RESTful APIs and SMTP in minutes, with sample code libraries available in 7 languages, interactive docs, templates, and more.
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Platforms Supported
Windows
Not Supported
Mac
Supported
Linux
Supported
Cloud
Not Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Platforms Supported
Windows
Not Supported
Mac
Not Supported
Linux
Not Supported
Cloud
Supported
On-Premises
Not Supported
iPhone
Not Supported
iPad
Not Supported
Android
Not Supported
Chromebook
Not Supported
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Audience
Anyone interested in a mail server solution to manage, administer, and secure emails
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Audience
Companies of all sizes searching for an email API to deliver an exceptional email experience
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Support
Phone Support
Not Supported
24/7 Live Support
Not Supported
Online
Supported
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Support
Phone Support
Supported
24/7 Live Support
Supported
Online
Supported
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API
Offers API
Not Supported
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API
Offers API
Supported
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Screenshots and Videos |
Screenshots and Videos |
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Pricing
No information available.
Free Version
Not Supported
Free Trial
Not Supported
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Pricing
$19.95 per month
Free - $0/mo for 100 emails/day forever
Essentials - starting at $19.95/mo Pro - starting at $89.95/mo Premier - custom pricing
Free Version
Supported
Free Trial
Supported
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Reviews/
|
Reviews/
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Pros & Cons from Real UsersPros
Cons
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Pros & Cons from Real UsersPros
Cons
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Training
Documentation
Supported
Webinars
Not Supported
Live Online
Not Supported
In Person
Not Supported
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Training
Documentation
Supported
Webinars
Supported
Live Online
Supported
In Person
Not Supported
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Company InformationPostfix
United States
www.postfix.org/features.html
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Company InformationTwilio SendGrid
Founded: 2009
United States
sendgrid.com/en-us
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Alternatives |
Alternatives |
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Categories |
Categories |
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Email Management Features
Data Recovery
Supported
Email Archiving
Not Supported
Email Deletion
Not Supported
Email Discovery
Not Supported
Email Monitoring
Supported
Email Recall
Not Supported
Queue Manager
Supported
Response Management
Supported
Routing
Supported
Shared Inboxes
Not Supported
Signature Management
Supported
Spam Blocker
Not Supported
Whitelisting / Blacklisting
Supported
Email Marketing Features
A/B Testing
Not Supported
Artificial Intelligence
Not Supported
Auto-Responders
Supported
CAN SPAM Compliance
Supported
Customer Surveys
Supported
Drip Campaigns
Not Supported
Dynamic Content
Supported
Event Triggered Email
Supported
Image Library
Not Supported
Landing Pages/Web Forms
Supported
Mailing List Management
Supported
Mobile Optimized Emails
Supported
Reporting/Analytics
Supported
Subscriber Management
Supported
Template Management
Supported
WYSIWYG Email Editor
Supported
Email Template Design Features
A/B Testing
Not Supported
Code From Scratch
Not Supported
Drag & Drop Editing
Supported
Image Library
Not Supported
Import HTML Code
Not Supported
Mobile-Friendly / Responsive
Supported
Potential Issue Identification
Not Supported
Premade Templates
Supported
Proofing
Not Supported
Reporting / Analytics
Supported
Text Editor
Supported
Theme Editor
Supported
Email Testing Features
A/B Testing
Supported
Accessibility Testing
Supported
Deliverability Rates
Supported
DMARC Analytics
Supported
HTML Validation
Supported
Improvement Recommendations
Supported
IP Blacklist Checking
Supported
Pre-Send Email Testing
Supported
Preview Across Browsers & Devices
Supported
Reporting / Analytics
Supported
Sender Reputation Scoring
Supported
Spam Testing
Supported
Email Tracking Features
A/B Testing
Supported
Audience Segmentation
Supported
Campaign Management
Supported
Event-Based Notifications
Supported
Location Tracking
Supported
Team Management
Supported
Email Verification Features
Bulk Email Verification
Supported
Catch-all Server Detection
Supported
Disposable Email Detection
Supported
Domain Check
Supported
Mail Server Validation
Supported
Single Email Verification
Supported
Spam Trap Detection
Supported
Syntax Check
Supported
Marketing Automation Features
A/B Testing
Supported
Analytics / ROI Tracking
Supported
Artificial Intelligence
Supported
Content / Blogging Platform
Supported
Customizable CTAs
Supported
Drip Campaigns
Supported
Dynamic Content
Supported
Landing Pages / Web Forms
Supported
Lead Scoring
Supported
Sales Intelligence
Not Supported
Search Marketing
Supported
Segmentation
Supported
Social Marketing
Not Supported
Website Visitor Tracking
Supported
Transactional Email Features
A/B Testing
Supported
Contact Database
Not Supported
Dynamic Content
Supported
Email Monitoring
Supported
Mailing List Management
Not Supported
Reporting/Analytics
Supported
Spam Check
Not Supported
Template Management
Supported
eCommerce Marketing Features
AB Testing
Not Supported
Abandoned Cart Email
Not Supported
Analytics / ROI Tracking
Not Supported
Customer Data Profiles
Not Supported
Dynamic Content
Not Supported
Email Marketing
Supported
Email Personalization
Supported
Facebook Ads
Not Supported
Google Ads
Not Supported
Product Recommendations
Not Supported
Push Notifications
Not Supported
Retargeting
Not Supported
Search Marketing
Not Supported
Segmentation
Not Supported
Signup Forms & Popups
Not Supported
SMS Marketing
Not Supported
Social Marketing
Not Supported
Triggered Emails
Supported
Website Visitor Tracking
Not Supported
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Integrations
Databox
Not Supported
Finity
Not Supported
Flows
Not Supported
Hightouch
Not Supported
Housecall Pro
Not Supported
Justuno
Not Supported
Little Green Light
Not Supported
Mailster
Not Supported
Nabis
Not Supported
Popupfox
Not Supported
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Integrations
Databox
Supported
Finity
Supported
Flows
Supported
Hightouch
Supported
Housecall Pro
Supported
Justuno
Supported
Little Green Light
Supported
Mailster
Supported
Nabis
Supported
Popupfox
Supported
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