We implement the most feature rich version of each major communication protocol on a widely accessible number of ports. Each service is load-balanced and redundant to ensure 100% uptime.

Our SMTP daemon is fully compatible with RFC 5321 and is available on ports 25, 26, 465 and 587. Messages as big as 50MB are allowed to be sent or received through it.

We implement the latest stable version of Dovecot as our POP3 & IMAP daemon. It's the most advanced IMAP daemon with full support for the IDLE command.

POP3 is available on ports 110 & 995

IMAP is available on ports 143 & 993

IMAP capabilities are: IMAP4rev1 LITERAL+ SASL-IR LOGIN-REFERRALS ID ENABLE SORT SORT=DISPLAY THREAD=REFERENCES THREAD=REFS MULTIAPPEND UNSELECT IDLE CHILDREN NAMESPACE UIDPLUS LIST-EXTENDED I18NLEVEL=1 CONDSTORE QRESYNC ESEARCH ESORT SEARCHRES WITHIN CONTEXT=SEARCH LIST-STATUS ACL QUOTA