Reliable mailing for transactional & bulk emails.

Run multiple businesses, MTAs and domains from one place. Tight deliverability controls, multiple DKIM selectors, API keys with IP allow‑lists, and a campaign engine built for scale.

Dedicated infrastructure
Granular send/receive policies
FlaxyMailer overview
Core capabilities

Everything you need to run serious mail

Configure once, reuse across entities and domains. Enforce deliverability rules on send & receive so every message plays by your policy.

Multi‑entity / multi‑tenant

Isolate brands and teams with per‑entity ownership. Keep data clean and access scoped.

Owner user

Multiple MTAs per entity

Attach dedicated MTAs to an entity and tailor routing, rate limits and authentication per domain.

Per‑domain config SPF DKIM DMARC MX and rDNS checks

Multiple DKIM selectors

Generate 1024–4096‑bit keys, rotate selectors safely, and publish with copy‑paste ease.

Selector generator 4096‑bit ready

Granular send policies

Force TLS, cap message size, restrict attachments and MIME types, and require matching rDNS.

TLS required Size limits MIME allow‑list

Inbound controls

Require sender domain DKIM/SPF/DMARC, limit session duration, and throttle stream timeouts.

DKIM gate SPF/DMARC checks

API keys & IP allow‑listing

Generate per‑entity keys, restrict to specific IPs, and disable/rotate instantly.

Scoped access Quick revoke

Campaign engine

Batch size & delay controls, JSON variables, templated HTML, and detailed success/error counters.

Transactional & promo Per‑batch pacing

Optional signatures

Add promotional or transactional signatures (text/HTML).

Brand footer Per‑type rules
How it works
1

Create an entity and attach one or more MTAs for your domain(s).

2

Generate a DKIM selector and publish the TXT record. Optionally enforce SPF/DMARC.

3

Send via HTTP API (or SMTP). Use campaigns to batch at your own pace.