SendGrid

SendGrid

Twilio SendGrid
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About

Letsignit is a centralized email signature management platform for organizations of all sizes. Create, assign, and manage signatures for all employees, standardize formats company-wide, and reduce manual requests with updates driven by directory data such as Active Directory. Designed for Microsoft 365 and Exchange environments and compatible with common email clients, it supports brand consistency and compliance while giving Marketing and Comms controlled access to run targeted banner campaigns. Hosted on Microsoft Azure and certified ISO 27001 and ISO 27018, Letsignit meets enterprise security requirements and keeps signature management simple at scale.

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.

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Platforms Supported

Windows
Mac
Linux
Cloud
On-Premises
iPhone
iPad
Android
Chromebook

Audience

Companies looking to create, assign and manage all their employees email signatures and add targeted marketing banners

Audience

Companies of all sizes searching for an email API to deliver an exceptional email experience

Support

Phone Support
24/7 Live Support
Online

Support

Phone Support
24/7 Live Support
Online

API

Offers API

API

Offers API

Screenshots and Videos

Screenshots and Videos

Pricing

$1.50/month/user
*PRO. Starting at 1.5$/month/user. Design & harmonize your signatures and manage marketing campaigns for your team email clients.

*ENTERPRISE. Contact us for a custom quote. Ideal for complex organizations that need to orchestrate communication at scale, with governance, security and multi-entity deployment requirements.

Minimum subscription of $60/month for annual commitment
Free Version
Free Trial

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
Free Trial

Reviews/Ratings

Overall 4.6 / 5
ease 4.6 / 5
features 4.5 / 5
design 4.5 / 5
support 4.8 / 5

Reviews/Ratings

Overall 3.9 / 5
ease 4.0 / 5
features 3.9 / 5
design 4.1 / 5
support 3.9 / 5

Pros from Real Users

Pros

  • The automatic posters, managed by marketing team is cool. and easier signature adjustment is also very helpful.
  • We recently onboarded the Letsignit application, and the overall experience has been very positive. The solution is easy to use, well-structured, and meets our email signature management requirements effectively. The support we received during onboarding was also excellent. The team was responsive, knowledgeable, and helped us move through the setup smoothly. In particular, Soumik was very helpful throughout the process. He clearly knew the product in and out and was able to guide us with confidence, answer our questions, and provide practical recommendations.
  • I’ve had a positive experience using Letsignit as our company’s email signature management solution. As a Senior Desktop Support Analyst based in Sydney, I value tools that simplify administration while maintaining consistency across users, and Letsignit delivers well in this area. One of the strongest aspects of Letsignit is how easy it is to centrally manage email signatures for the entire organisation. The platform integrates smoothly with Microsoft 365, which made deployment relatively straightforward. Once set up, it allowed us to standardise signatures across all departments without requiring manual configuration on individual devices. This has significantly reduced support requests related to signature formatting issues.
  • Integration is straightforward Seamless via SSO group Auto shows up for users in outlook Auto populates upon email response/generation
  • I can do whatever I want here, I like it, enjoying freedom and expressing myself fully, but I think it might be better if the sales partner could answer questions more quickly
  • Really strong tool for a nationwide business like ours. It makes it easy to keep email signatures consistent, up to date, and aligned with current campaigns across the whole team. Huge time saver compared to chasing individuals to update their signatures manually. Once set up, it gives confidence that the brand is being represented correctly in every email.
  • Makes my email look professional No need to enter a signature manually myself I can include as little info or as much as I like
  • Ease of Use & Deployment Efficient Signature Management Flexibility & Scalability Efficient Signature Management
  • What I appreciate most is the centralized control. Integration with our directory was straightforward, allowing us to push updates to specific departments via groups instantly. It completely removes the "human error" element where employees used to have outdated logos or broken links. The ability to schedule marketing banners for specific periods is also a massive plus for our communication team.
  • Easy to set up Seamless Integration with 365 Customization is refreshing and nice to use Enjoy demonstrating it to clients

Pros & Cons from Real Users

Pros

  • Ok, thanks for the opportunity, be honest, these are my feedback after useing, please check below. first pro: 80% successful rate to find right email. second pro: most of time input first name and family name with company website, i can find right email.
  • Emails actually get delivered unlike some other email marketing services and transactional email services we were using prior to SendGrid.
  • Almost nothing. The system is too barebones, can't put emojis in emails, very little actual customization, other platforms are much better.
  • I did like that the software was easy to use. It had a very user-friendly interface and made things easy to navigate through. Uploading contacts was a streamlined process.
  • Sendgrid allows our company to send updates to a vast array of consumers through email. The credentials built through Sendgrid software allow our emails to not end up in the Junk Folder.

Cons

  • First con: if a person has many job positions at different companies, you only can obtain the first company information and existing person emails. Second con: it can't link with more social channels, like Twitter or Instagram and can't grab email in pictures and PDF files, also many information shows in Google but can't be found here. Third con: RocketReach can find the right email but usually GetEmail can't. Fourth con: the cost is high for monthly, and can't get free credits most of times. That's all the cons I found, i have been using this tool for more than one and a half years, anyway, thank you very much, hope your team can improve and do better.
  • No cons for our use cases. Does everything we need it to do.
  • First of all the service didn't work. The campaigns wouldn't be sent at all and I had to call customer support. EVERY TIME. And it would take time, hours DAYS, every time. So we lost a lot in proper campaign timing, leads would get cold. We lost ROI there.
  • I didn't like that their shared IP still got bad ratings. I used a few of their competitors before this, and was getting much better open rates using the same emails on the other platforms.
  • I needed a lot of help setting up my account. It would be helpful to have a more user-friendly set up.

Training

Documentation
Webinars
Live Online
In Person

Training

Documentation
Webinars
Live Online
In Person

Company Information

Letsignit
Founded: 2013
France/Canada
letsignit.com

Company Information

Twilio SendGrid
Founded: 2009
United States
sendgrid.com/en-us

Alternatives

Alternatives

Dynasend

Dynasend

Digitech Branding
SMTP.com

SMTP.com

Ziff Davis

Categories

Categories

Email Management Features

Data Recovery
Email Archiving
Email Deletion
Email Discovery
Email Monitoring
Email Recall
Queue Manager
Response Management
Routing
Shared Inboxes
Signature Management
Spam Blocker
Whitelisting / Blacklisting

Email Marketing Features

A/B Testing
Artificial Intelligence
Auto-Responders
CAN SPAM Compliance
Customer Surveys
Drip Campaigns
Dynamic Content
Event Triggered Email
Image Library
Landing Pages/Web Forms
Mailing List Management
Mobile Optimized Emails
Reporting/Analytics
Subscriber Management
Template Management
WYSIWYG Email Editor

Email Template Design Features

A/B Testing
Code From Scratch
Drag & Drop Editing
Image Library
Import HTML Code
Mobile-Friendly / Responsive
Potential Issue Identification
Premade Templates
Proofing
Reporting / Analytics
Text Editor
Theme Editor

Brand Management Features

Approval Process Control
Artwork Management
Asset Management
Change Management
Fulfillment Distribution
Project Management

Email Signature Features

Auto Update
Campaign Specific Signature
Content Creation
Image Management
Legal Disclaimer
Signature Management
Social Media
Templates

Survey Features

Custom Survey URLs
Data Analysis Tools
Email Marketing
Mobile Survey
Offline Response Collection
Paper Survey
Question Branching
Question Library
Site Intercept Survey
Skip Logic
Supports Audio / Images / Video

Email Management Features

Data Recovery
Email Archiving
Email Deletion
Email Discovery
Email Monitoring
Email Recall
Queue Manager
Response Management
Routing
Shared Inboxes
Signature Management
Spam Blocker
Whitelisting / Blacklisting

Email Marketing Features

A/B Testing
Artificial Intelligence
Auto-Responders
CAN SPAM Compliance
Customer Surveys
Drip Campaigns
Dynamic Content
Event Triggered Email
Image Library
Landing Pages/Web Forms
Mailing List Management
Mobile Optimized Emails
Reporting/Analytics
Subscriber Management
Template Management
WYSIWYG Email Editor

Email Template Design Features

A/B Testing
Code From Scratch
Drag & Drop Editing
Image Library
Import HTML Code
Mobile-Friendly / Responsive
Potential Issue Identification
Premade Templates
Proofing
Reporting / Analytics
Text Editor
Theme Editor

Email Testing Features

A/B Testing
Accessibility Testing
Deliverability Rates
DMARC Analytics
HTML Validation
Improvement Recommendations
IP Blacklist Checking
Pre-Send Email Testing
Preview Across Browsers & Devices
Reporting / Analytics
Sender Reputation Scoring
Spam Testing

Email Tracking Features

A/B Testing
Audience Segmentation
Campaign Management
Event-Based Notifications
Location Tracking
Team Management

Email Verification Features

Bulk Email Verification
Catch-all Server Detection
Disposable Email Detection
Domain Check
Mail Server Validation
Single Email Verification
Spam Trap Detection
Syntax Check

Marketing Automation Features

A/B Testing
Analytics / ROI Tracking
Artificial Intelligence
Content / Blogging Platform
Customizable CTAs
Drip Campaigns
Dynamic Content
Landing Pages / Web Forms
Lead Scoring
Sales Intelligence
Search Marketing
Segmentation
Social Marketing
Website Visitor Tracking

Transactional Email Features

A/B Testing
Contact Database
Dynamic Content
Email Monitoring
Mailing List Management
Reporting/Analytics
Spam Check
Template Management

eCommerce Marketing Features

AB Testing
Abandoned Cart Email
Analytics / ROI Tracking
Customer Data Profiles
Dynamic Content
Email Marketing
Email Personalization
Facebook Ads
Google Ads
Product Recommendations
Push Notifications
Retargeting
Search Marketing
Segmentation
Signup Forms & Popups
SMS Marketing
Social Marketing
Triggered Emails
Website Visitor Tracking

Integrations

Bellwethr
BlueConic
Cendyn Loyalty
Cloud Elements
Composity
Crunchwork
DrivingSchoolSoftware.com
Giggal.ai
GoZen Forms
Housecall Pro
HubSpot Operations Hub
MailReach
OptiMantra
OrderStorm
Phonexa
QuickMail
Rows
Teamleader
UI Bakery
boberdoo

Integrations

Bellwethr
BlueConic
Cendyn Loyalty
Cloud Elements
Composity
Crunchwork
DrivingSchoolSoftware.com
Giggal.ai
GoZen Forms
Housecall Pro
HubSpot Operations Hub
MailReach
OptiMantra
OrderStorm
Phonexa
QuickMail
Rows
Teamleader
UI Bakery
boberdoo
Claim SendGrid and update features and information
Claim SendGrid and update features and information