Contact SureM
Contact SureM to discuss Korea SMS delivery, OTP messaging, RCS Business Messaging, Kakao messaging, SMPP connectivity, and global messaging partnerships. Our international team responds within one business day with routing options and pricing tailored to your traffic.
Sales inquiry
Partnership
SMPP setup
Office & address
International Sales
Korea SMS termination, global routing, OTP delivery, RCS, Kakao, WhatsApp Business, and SMPP. Best fit for overseas brands, global CPaaS providers, and aggregators.
intlsales@surem.com
Technical / SMPP Setup
SMPP 3.4 connectivity, IP allowlist coordination, TPS sizing, DLR configuration, and API integration support for live accounts.
tech@surem.com
Send a message
Seoul Headquarters
SureM Co., Ltd. — 슈어엠주식회사
Unit 03, 9F, 85, Gwangnaru-ro 56-gil
Gwangjin-gu, Seoul
Republic of Korea
Business hours
Typical response: within 1 business dayWhat to include
Target destination markets (country list)
Message type (OTP, transactional, marketing)
Estimated monthly volume & peak TPS
Integration preference (API, SMPP, or platform)
Sender ID requirements (if any)
What happens next
A simple, predictable process from inquiry to first message sent.

We acknowledge within hours and route to the right specialist (Korea, global, or technical).

30-minute call (or email exchange) to confirm routing, volume, and integration requirements.

We send a tailored quote, route plan, and contract — typically within 2–3 business days.

Account setup, IP allowlist, sender registration, test traffic, then production cutover.
Common questions
How to contact SureM, what to include in your inquiry, and where our team operates.
How do I contact SureM for Korea SMS delivery?
For Korea SMS delivery, OTP SMS, RCS, Kakao messaging, SMPP connectivity, or global messaging partnerships, email intlsales@surem.com (English and Korean). Our international sales team typically responds within one business day (KST).
What information should I include in a messaging inquiry?
Include your company name, country, target destination markets, message type (OTP, transactional, marketing), estimated monthly volume, and integration preference (API, SMPP, or platform). This helps us prepare an accurate quote and routing plan in our first response.
Does SureM offer SMPP connectivity for global aggregators?
Yes. SureM provides SMPP 3.4 connectivity for global aggregators and CPaaS providers needing inbound termination into Korea. Contact tech@surem.com with your IP range, expected TPS, and traffic profile to start the technical setup.
Where is SureM headquartered?
SureM Co., Ltd. is headquartered in Seoul, South Korea — Unit 03, 9F, 85, Gwangnaru-ro 56-gil, Gwangjin-gu, Seoul, Republic of Korea.
What languages does SureM support for inquiries?
English and Korean. International Sales (intlsales@surem.com) and Technical (tech@surem.com) are bilingual. Korea Sales (mkt@surem.com) operates in Korean.
Ready to start the conversation?
Email our international sales team directly — typical first response within one business day, with routing options for Korea and 200+ countries.

