IceWarp SMTP Relay Integration

04 July 2026 · 293 views · Pitbull Secure Gateway

Pitbull SMTP relay server configuration on IceWarp commercial mail platform: relay, TLS and per-domain smart relay via admin panel.

IceWarp (formerly Merak Mail Server) is a cross-platform commercial groupware solution offering email, calendar and instant messaging.

SMTP Relay Settings

IceWarp Admin > Mail > SMTP Service > Delivery:

☑ Use Relay Server
Server: relay.pitbull.com.tr
Port: 587
☑ STARTTLS
Auth User: tenant@pitbull.com.tr
Auth Pass: RELAY_TOKEN

IceWarp supports per-domain relay server definitions. Configure via Mail > Domains > [domain] > Delivery settings.

IceWarp's built-in AntiSpam module provides layered protection with the Pitbull inbound gateway. First-layer filtering is done by Pitbull.

IceWarp + Pitbull delivers comprehensive inbound/outbound security and centralized management.