RustMailer
Self-hosted email middleware in Rust: multi-account IMAP sync, SMTP sending, Gmail API, VRL webhooks and NATS, all exposed behind a single REST and gRPC API.
// SMTP
5 entries tagged with "smtp"
// COMPARISONS
1// ENTRIES
4 entries
listmonk
Run mailing lists and campaigns from a Go binary and PostgreSQL. Mail goes via an SMTP relay you choose (SES, Postmark, your own), which owns deliverability.
Check If Email Exists
Find out whether an email address exists before mailing it: an MIT-licensed Rust library that queries the domain's SMTP server, with a CLI and an HTTP API.
BillionMail
Send newsletters from your own mail server: Postfix, Dovecot, Rspamd and a campaign tool in one Compose stack. Needs outbound port 25 open and a PTR record.