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.
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.comTechnical / SMPP Setup
SMPP 3.4 connectivity, IP allowlist coordination, TPS sizing, DLR configuration, and API integration support for live accounts.
tech@surem.comSend a message
Tell us about your use case and we'll prepare a tailored proposal.
Seoul Headquarters
SureM Co., Ltd. — 슈어엠주식회사
Unit 03, (Techno Mart) 9th floor85, Gwangnaru-ro 56-gil
Gwangjin-gu, Seoul
Republic of Korea
Business hours
What 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.
Inquiry received
We acknowledge within hours and route to the right specialist (Korea, global, or technical).
Scoping call
30-minute call (or email exchange) to confirm routing, volume, and integration requirements.
Quote & agreement
We send a tailored quote, route plan, and contract — typically within 2–3 business days.
Go live
Account setup, IP allowlist, sender registration, test traffic, then production cutover.
Common questions
Quick answers before you reach out.
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, (Techno Mart) 9th floor, 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.