MailerSend vs. SMTP.com Comparison


MailerSend	SMTP.com Ziff Davis	+	+
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Read our ROI report for methodology 17,400 Ratings Visit Website InboxAlly InboxAlly is an email deliverability platform for senders whose messages are landing in spam or promotions instead of the primary inbox. It repairs and protects sender reputation at the domain and IP level, warms up new domains and IPs on an adaptive schedule, and shows where messages actually land through inbox placement testing across Gmail, Outlook, Yahoo and other major mailbox providers. Live blacklist monitoring and deliverability alerts surface problems as they develop rather than after a campaign underperforms, and an ML-modeled sender score makes reputation measurable week to week. InboxAlly runs alongside the stack you already have. It works with any ESP, SMTP service or custom sending infrastructure - including Mailchimp, SendGrid, Amazon SES, Brevo, Klaviyo, HubSpot and Instantly - with no migration and no change to how you send, and without handing over your sending credentials. 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Whether you're supporting global teams or launching fast-turn campaigns, Knak helps you go from brief to build in minutes—not weeks. Say goodbye to bottlenecks and hello to marketing agility. 169 Ratings Visit Website Notifyre Notifyre is a secure online fax and text messaging service for businesses, rated 4.7/5 from 1,187 customer reviews. Pay as you go from 3 cents per fax page and 2 cents per SMS, with no contracts, no hidden fees, and wallet funds that never expire. Why businesses choose Notifyre: - Live chat, phone, and email support from a local U.S. team - A dedicated account manager who guides you through 10DLC registration (the approval US carriers require for business texting) - Free BAA for medical and health organizations, with HIPAA compliance standard on every plan - ISO 27001 certified with AES 256-bit encryption, user access controls, audit trails, and 99.99% uptime Fax features: online fax platform, email to fax and fax to email, fax API, online fax numbers, free fax number porting, and fax broadcast to 20,000+ recipients. Text messaging features: SMS and MMS online, email to SMS, SMS and MMS API, mass texting and SMS marketing, subscriber and opt-out management, bulk contact upload, SMS templates, and personalization fields. 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Dynamic Caller ID, Spam Shield, and SHAKEN/STIR compliance maximize answer rates. Text capabilities include Peer-to-Peer Texting, Text Broadcasts, and Text-to-Join with SMS/MMS support, URL tracking, and automated responses. Workflows automation enables multi-channel campaigns. The mobile app allows volunteers join campaigns from smartphones. CRM integrations with NationBuilder, NGP VAN, Salesforce, and Blackbaud ensure seamless sync. CallHub is SOC 2, ISO 27001, GDPR, and TCPA compliant. Trusted by 200,000+ campaigns, it has facilitated 1 billion calls and 750 million texts. 428 Ratings Visit Website EasyDMARC EasyDMARC is the Email Trust Platform that helps organizations operate email as critical infrastructure. Drawing on a decade of expertise securing and optimizing email ecosystems at scale, EasyDMARC enables IT and Security teams to continuously monitor, govern, and protect email across domains, sending systems, and providers. 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SMS: 10DLC \| Short code \| Toll-free \| SimplyRCS (simplyrcs.ai): RCS Rich \| RCS Media through API & No-Code Platform Voice: SIP Trunking \| VoIP \| Termination \| Origination Numbers/DIDs: Local, short code & toll-free numbers \| BCID (Branded Caller ID) Number Intelligence/Lookup: Subscriber Info (CNAM) \| Carrier Information \| Carrier Type (Fixed or Wireless) \| Federal DNC Status Signalmash enterprise-grade reliability, boutique-level support. 16 Ratings Visit Website 800.com 800.com is a business phone and call tracking platform that helps small and growing businesses understand, manage, and respond to inbound calls more effectively. The platform provides local and toll-free numbers, call tracking, call recording, voicemail, SMS, and detailed call reporting so teams can see where calls come from and how they’re handled. Businesses use 800.com to track phone leads across websites, ads, social media, and offline marketing, improve response times, and follow up on missed calls. 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About MailerSend is a hassle-free transactional messaging service designed so that developers can integrate transactional email, SMS, and now WhatsApp quickly and effortlessly into their stack. Intuitively designed so anyone can contribute, with a powerful sending infrastructure and flexible payment plans that empower you to scale your sendings quickly. With over a decade of deliverability expertise, and inbuilt email verification, you can rest easy knowing your sender reputation will remain intact. Plus, premium features including sender identities, dedicated IPs, and priority support make for an advanced, comprehensive solution. Get started for FREE with 500 emails, then upgrade for as little as $7/month for up to 5000 emails. Want to try more? Get a 14-day free trial of our Professional plan and test-drive every feature it has to offer.	About Reliable SMTP relay and email delivery services. Powerful email delivery services that enable you to send and track high volume emails effortlessly. Integrate and start sending in minutes. All your transactional, email relay and email delivery needs under one roof. Whether you need a low-latency email delivery provider for your transactional emails, scalable infrastructure for high-volume sends or reliable backend solution for your marketing campaigns, SMTP is built to deliver. Reputation Defender is SMTP’s proprietary technology that uses big data to proactively monitor your email list health and safeguard your domain and IP reputation among ISPs by suppressing bad emails in your sends from hard and soft bounces. This ensures your delivery rates and inbox placement incrementally gets better over time.
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	Platforms Supported Windows Supported Mac Supported Linux Supported Cloud Supported On-Premises Not Supported iPhone Supported iPad Supported Android Supported Chromebook Supported
Audience Companies that need a transactional email solution	Audience Companies that want to send high volumes of emails and improve deliverability
Support Phone Support Not Supported 24/7 Live Support Supported Online Supported	Support Phone Support Not Supported 24/7 Live Support Supported Online Supported
API Offers API Supported	API Offers API Supported
Screenshots and Videos View more images or videos	Screenshots and Videos View more images or videos
Pricing Free Email API SMTP relay Webhooks WhatsApp API Transactional SMS API API permissions CC & BCC recipients Multiple sending domains Inbound route Survey emails Email split testing Email verification Sending domain reputation management Suppression list management Email tracking & analytics Custom tracking domain Data retention Dynamic content and conditions HTML email editor Drag & drop email builder Rich text editor File manager 24/7 email support 24/7 chat support Deliverability consultation Multiple users and roles Free Version Supported Free Trial Supported	Pricing $25 per month $25 for 50,000 emails / mo $80 for 100,000 emails / mo $300 for 500,000 emails / mo $500 for 1,000,000 emails / mo 24hr support with all plans! Free Version Not Supported Free Trial Not Supported
Reviews/Ratings Overall 0.0 / 5 ease 0.0 / 5 features 0.0 / 5 design 0.0 / 5 support 0.0 / 5 This software hasn't been reviewed yet. Be the first to provide a review: Review this Software	Reviews/Ratings Overall 1.0 / 5 ease 1.0 / 5 features 1.0 / 5 design 1.0 / 5 support 1.0 / 5 Read all reviews
	Pros & Cons from Real Users Pros None, the product worked to begin with but when it stopped working the support was dreadful and they locked us in. N/A. Cons The smtp service itself has intermittent failures that are reluctantly admitted after battering down the support door several times to find out why sites aren't sending emails. Worse still they have a plugin that was heartily sold to me as the Wordpress plugin when I started with them - this was supported gingerly at first, then, it still being on version 1 was entirely disowned by them - despite the plugin having all their branding and their site details and being published and distributed on the Wordpress platforms ... by them. They simply deny it now, having pushed me towards it and supporting it initially. Bad SMTP. Bad dashboard. Bad support. Bad price. Bad advantages. Bad everything.
Training Documentation Supported Webinars Not Supported Live Online Not Supported In Person Not Supported	Training Documentation Supported Webinars Supported Live Online Supported In Person Not Supported
Company Information MailerSend Founded: 2020 United States www.mailersend.com	Company Information Ziff Davis Founded: 1995 United States www.smtp.com
Alternatives SendGrid Twilio SendGrid	Alternatives Labnify
BlueFox Email Innovaris Group	Mailazy
Mailgun Sinch	MailerSend
Maileroo	turboSMTP
SMTP.com Ziff Davis View All	Maileroo View All
Categories Drag and Drop Email Builders Supported Email APIs Supported Email Deliverability Supported Email Verification Supported SMS Marketing Supported SMTP Supported Transactional Email Supported	Categories Email APIs Supported Email Deliverability Supported Email Verification Supported SMTP Supported Transactional Email Supported
Email Deliverability Features Deliverability Alerts Supported Deliverability Reporting Supported DMARC Analytics Supported Email Address Verification Supported Email Content Testing Supported Email Previewing Supported Inbox Placement Testing Supported IP Blacklist Monitoring Supported Reputation Reporting Supported Email Verification Features Bulk Email Verification Supported Catch-all Server Detection Supported Disposable Email Detection Supported Domain Check Not Supported Mail Server Validation Supported Single Email Verification Supported Spam Trap Detection Supported Syntax Check Supported Transactional Email Features A/B Testing Supported Contact Database Not Supported Dynamic Content Supported Email Monitoring Supported Mailing List Management Supported Reporting/Analytics Supported Spam Check Supported Template Management Supported Show More Features SMS Marketing Features 2-Way Messaging Supported Artificial Intelligence Supported Contact Management Not Supported Mass Texting Supported Message Personalization Supported MMS Supported Mobile Coupons Not Supported Mobile Keywords Not Supported Polls / Voting Not Supported Reporting/Analytics Supported Scheduled Messaging Supported Shortcodes Not Supported Text-to-Win Not Supported	Email Deliverability Features Deliverability Alerts Supported Deliverability Reporting Supported DMARC Analytics Supported Email Address Verification Supported Email Content Testing Supported Email Previewing Supported Inbox Placement Testing Supported IP Blacklist Monitoring Supported Reputation Reporting 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 Transactional Email Features A/B Testing Supported Contact Database Supported Dynamic Content Supported Email Monitoring Supported Mailing List Management Supported Reporting/Analytics Supported Spam Check Supported Template Management Supported
Integrations Axis LMS Supported WordPress Supported Courier Supported Easyflow Supported Gammadyne Mailer Not Supported Google Calendar Not Supported Google Docs Not Supported Google Forms Not Supported IntelliClick Not Supported MailerLite Supported Make Supported MaxBulk Mailer Not Supported Montra Not Supported ShipFlask Supported Shopify Not Supported Supalaunch Supported Trello Not Supported WHMCS Supported WhatsApp Supported nuevoMailer Supported Show More Integrations View All 19 Integrations	Integrations Axis LMS Supported WordPress Supported Courier Not Supported Easyflow Not Supported Gammadyne Mailer Supported Google Calendar Supported Google Docs Supported Google Forms Supported IntelliClick Supported MailerLite Not Supported Make Not Supported MaxBulk Mailer Supported Montra Supported ShipFlask Not Supported Shopify Supported Supalaunch Not Supported Trello Supported WHMCS Not Supported WhatsApp Not Supported nuevoMailer Not Supported Show More Integrations View All 17 Integrations
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