AuthSMTP
authsmtp.comOutgoing email relay with separate message and data quotas
Outgoing email relay with separate message and data quotas
Commerce retention journeys with explicit pause and version-transition choices
Business email discovery with verification statuses and list exports
Random forwarding addresses through iCloud+ or Sign in with Apple
OpenPGP email support for SeaMonkey and Epyrus
French email with aliases, family tools and a free tier
Ad-free community email with reputation-based access
Automatic outbound mail encryption with a fallback recipient link
Newsletter sending with conditional content and message-size accounting
On-premise email delivery with live queue controls and response-based throttling
Email campaigns with unlimited contacts and monthly or prepaid sends
Retail email journeys based on purchases and customer data
Newsletter publishing with contact-based subscriptions and credits for infrequent sends
Deliver analytical reports by email and monitor configured data anomalies.
Business email discovery with reusable lists and CRM delivery
Mailing-list administration with separate owner, moderator and service roles
Email journeys and broadcasts built around shared customer records
Commerce email automation with explicit segment-entry and repeat-entry rules
SaaS lifecycle email using users, companies and membership data
Email previews and delivery reports tailored to your audience
Email encryption and access controls inside a wider data platform
Mailbox-level delivery checks with placement and domain-health reports
Activist email with encrypted storage and recovery-code requirements