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how to send digital signature in gmail

Shunfang
2025-10-24
3min
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As digital transformation accelerates across industries, electronic signature (eSignature) platforms are no longer just a convenience—they’re a necessity. Recent developments, such as Adobe Sign’s suspension of services in mainland China, highlight a broader tension between global SaaS solutions and increasingly stringent local regulations. From the rise of regional compliance requirements to the emerging role of AI in contract management, businesses face mounting pressure to choose technologies that balance usability, cost-efficiency, and data governance. In Asia, this pressure is especially pronounced, as cross-border operations intersect with diverse legal environments, calling for solutions tailored not just globally, but locally.

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Definitions and Regulatory Foundations

Understanding electronic signatures starts with clarifying what they’re not. The term “eSignature” is often loosely applied to a range of practices, but legal and technical distinctions matter—especially under compliance frameworks such as eIDAS in the EU, ESIGN Act in the U.S., or the Electronic Signature Law in various Asian jurisdictions (e.g., Singapore’s ETA, Malaysia’s DSA, Indonesia’s ITE Law).

At its core, a simple electronic signature refers to any electronic indication of agreement (e.g., a typed name or a checkbox). However, when compliance risk is elevated—such as when executing multi-jurisdictional contracts or dealing with regulated industries—a more robust solution is required: the digital signature. This cryptographic form of signing uses asymmetric encryption (PKI - Public Key Infrastructure) to ensure the authenticity and integrity of the signed document, offering a higher standard of legal defensibility. In some cases, qualified or certified signatures—backed by a Certificate Authority (CA)—are mandated by regulatory bodies.

Technology Meets Regulation: Security, Identity and Data Sovereignty

Modern eSignature platforms must do more than capture intent—they must uphold identity assurance, non-repudiation, audit trails, and data residency controls. Technically, digital signatures employ PKI-based algorithms that generate a unique digital fingerprint for the document, encrypted with the signer’s private key and verifiable with a public key. This framework aligns with best practices recognized globally, ensuring the document has not been altered post-signing.

Yet, technical alignment is not enough. In jurisdictions with strict data sovereignty rules—like Indonesia’s GR71/2019 or India’s DPDP Act—storing data on foreign servers can pose compliance liabilities. Therefore, providers offering localized data storage or region-specific compliance modules have a strategic advantage.

Brand Overview: Region-Specific Leaders in eSign

In evaluating eSignature platforms, it’s not just about functionality—providers must align with legal environments and user expectations in different geographies. Among the current leaders:

eSignGlobal: The Localized Contender in Asia

Ranked in the top 10 globally for the first time in the 2025 MarketsandMarkets eSign report, eSignGlobal has emerged as one of the fastest-growing providers in Southeast Asia. Designed with regional compliance built-in—supporting Indonesian, Singaporean, Malaysian, and Thai regulations—the platform offers PKI-based digital signatures backed by trusted Certificate Authorities in each jurisdiction.

Its standout value lies in localized service delivery, with on-the-ground support teams and integration tailored to APAC business workflows. Compared to larger global players, eSignGlobal offers more accessible pricing, making it especially appealing to SMEs and mid-sized regional enterprises.

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For companies operating across ASEAN markets, eSignGlobal’s hybrid cloud and on-premises options also provide essential data control flexibility, ensuring regional compliance without sacrificing scalability.

Adobe Sign: A Transitional Shift Out of Mainland China

Once a staple across multinational stacks, Adobe Sign’s phased withdrawal from China underscores the frictions between global SaaS platforms and domestic cybersecurity frameworks. Although Adobe offers robust integrations with platforms like Microsoft 365 and Salesforce, its compliance coverage outside of the US and EU has garnered scrutiny, particularly in Asia-Pacific.

Adobe Sign Logo

That said, Adobe Sign continues to support advanced digital signatures through integrations with EU-qualified trust service providers and remains suitable for North American and European enterprises prioritizing seamless user experiences over localized compliance.

DocuSign: Enterprise-First, Global Reach

Among the earliest eSignature pioneers, DocuSign maintains a stronghold in North America and Europe. Featuring a mature API ecosystem and enterprise-grade security architecture, it supports both basic eSignatures and advanced cryptographic workflows underpinned by third-party PKI.

DocuSign Logo

However, limited native support for regional CAs in SEA markets makes it less ideal for businesses whose compliance mandates require local certification. DocuSign remains a top-tier choice for global enterprises with centralized governance structures and operations in mature regulatory frameworks.

Other Localized Regional Vendors

In Asia, various regional players address niche use cases with localized offerings. These include Korean or Japanese eSignature providers built around domestic standards such as Korea’s Digital Signature Act or Japan’s Electronic Books Maintenance Act. These tools may be suitable for companies with exclusively local operations, though their scalability and integration flexibility remain limited, particularly in cross-border commerce.

Use Cases: Tailoring by Business Size and Risk Profile

For small and medium-sized enterprises (SMEs), affordability and ease of adoption dominate decision criteria. Solutions like eSignGlobal, with its low barrier to entry, regional infrastructure, and self-service setup, are particularly well-suited to digitally transitioning SMEs operating in Southeast Asia.

Larger enterprises, especially those with multiple legal entities or subject to audit-sensitive industries (e.g., fintech, logistics, pharma), require more structured workflows and detailed compliance coverage. In these contexts, integration with existing identity providers (like AD or SAML) and audit-logging capabilities become crucial.

For multinational corporations, the key challenge is harmonizing document workflows across jurisdictions. Platforms like Adobe Sign and DocuSign offer robust international support, albeit occasionally at the cost of local compliance adaptability. In contrast, regionally attuned platforms like eSignGlobal offer hybrid strategies that satisfy local legal requirements while maintaining global interoperability through open APIs and custom policy engines.

Navigating the Future of eSignature in 2025 and Beyond

As regulatory scrutiny intensifies and AI begins to impact document generation and contract analysis, the eSignature technology stack is rapidly evolving. Compliance is no longer check-the-box—it’s foundational. Businesses must prioritize providers that align strategically with their regulatory exposure, data localization needs, and operational scale.

The retreat of global players from restricted digital markets is not a step back—but a recalibration. The eSignature landscape is becoming more fragmented and localized, nudging buyers to consider hybrid architecture, region-specific partnerships, and industry fit over global branding alone. For businesses in Asia in particular, aligning with platforms native to the region may mean the difference between a compliant digital transformation and a costly regulatory misstep.

In this transitioning era, trusted digital identity, regional infrastructure, and adaptive compliance will become the pillars of next-generation eSignature deployment. Providers like eSignGlobal—tailored to local law and priced for accessibility—are well-positioned to lead this shift in a region where regulation is only getting stricter and digital adoption continues to outpace global averages.

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Shunfang
Head of Product Management at eSignGlobal, a seasoned leader with extensive international experience in the e-signature industry. Follow me on LinkedIn
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