How many companies implement Simple Mail Transfer Protocol (SMTP)?

Based on our data, 15,214 companies implement Simple Mail Transfer Protocol (SMTP). This number is updated daily as we discover new companies through job posting analysis.

What types of companies implement Simple Mail Transfer Protocol (SMTP)?

Simple Mail Transfer Protocol (SMTP) is relevant across multiple industries including Computer and Network Security, Software Development, Defense and Space Manufacturing. Companies range from startups to enterprises with 10,000+ employees.

How does TheirStack track companies related to Simple Mail Transfer Protocol (SMTP)?

TheirStack analyzes millions of job postings daily from company career pages, job boards, and recruitment platforms. When a company mentions Simple Mail Transfer Protocol (SMTP) in their job descriptions, requirements, or responsibilities, we identify them as related to Simple Mail Transfer Protocol (SMTP) and add them to our database.

How often is the company data updated?

Our database is refreshed daily. We continuously monitor job postings to detect new companies implementing Simple Mail Transfer Protocol (SMTP) and update existing records.

Companies implementing Simple Mail Transfer Protocol (SMTP)

Q: How can I get the full list of companies that implement Simple Mail Transfer Protocol (SMTP)?

You can access the complete list of 15,214 companies on TheirStack. The data includes company name, industry, size, location, funding, and revenue. Available via our web app or API.

SMTP is the standard Internet protocol governing how email messages are sent between servers, originally defined in RFC 821 and updated by RFC 5321.

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List of companies that implement Simple Mail Transfer Protocol (SMTP)

This is sourced from job postings — companies only hire for what they actively use or plan to adopt · how we source this →

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Company	Country	Industry	Employees	Revenue	Technologies
Fortinet	United States	Computer and Network Security	17k	$3.3B	Simple Mail Transfer Protocol (SMTP)
Proofpoint	United States	Computer and Network Security	5.3k	$1.1B	Simple Mail Transfer Protocol (SMTP)
OpenText	Canada	Software Development	23k	$3.5B	Simple Mail Transfer Protocol (SMTP)
Leidos	United States	Defense and Space Manufacturing	37k	$14B	Simple Mail Transfer Protocol (SMTP)
Palo Alto Networks	United States	Computer and Network Security	24k	$6.2B	Simple Mail Transfer Protocol (SMTP)
Abnormal Security	United States	Computer and Network Security	1.1k	$12M	Simple Mail Transfer Protocol (SMTP)
FullStack Labs	United States	Construction	700		Simple Mail Transfer Protocol (SMTP)
AvePoint	United States	Data Security Software Products	2.9k	$216M	Simple Mail Transfer Protocol (SMTP)
Zscaler	United States	Computer and Network Security	9.7k	$1.1B	Simple Mail Transfer Protocol (SMTP)
General Dynamics Information Technology	United States	IT Services and IT Consulting	103k	$7.9B	Simple Mail Transfer Protocol (SMTP)

Fortinet
Employees17kRevenue$3.3BComputer and Network Security
Simple Mail Transfer Protocol (SMTP)High confidence
Proofpoint
Employees5.3kRevenue$1.1BComputer and Network Security
Simple Mail Transfer Protocol (SMTP)High confidence
OpenText
Employees23kRevenue$3.5BSoftware Development
Simple Mail Transfer Protocol (SMTP)High confidence
Leidos
Employees37kRevenue$14BDefense and Space Manufacturing
Simple Mail Transfer Protocol (SMTP)High confidence
Palo Alto Networks
Employees24kRevenue$6.2BComputer and Network Security
Simple Mail Transfer Protocol (SMTP)High confidence
Abnormal Security
Employees1.1kRevenue$12MComputer and Network Security
Simple Mail Transfer Protocol (SMTP)High confidence
FullStack Labs
Employees700Construction
Simple Mail Transfer Protocol (SMTP)High confidence
AvePoint
Employees2.9kRevenue$216MData Security Software Products
Simple Mail Transfer Protocol (SMTP)High confidence
Zscaler
Employees9.7kRevenue$1.1BComputer and Network Security
Simple Mail Transfer Protocol (SMTP)High confidence
General Dynamics Information Technology
Employees103kRevenue$7.9BIT Services and IT Consulting
Simple Mail Transfer Protocol (SMTP)High confidence

Showing 10 of 15,214 results

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Showing top companies out of 15,214 that implement Simple Mail Transfer Protocol (SMTP). Get the full list on TheirStack.

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Networking / Telecommunications802,588
Service Management and Orchestration (SMO)243,452
Local Area Networking (LAN)127,923
VPN126,928
TCP/IP Protocol126,556
Wide Area Networking (WAN)109,319
Dynamic Host Configuration Protocol (DHCP)100,052
Network Security93,779
High Availability89,728
Intranets85,234
Network Infrastructure83,386
Network Protocols76,410
Network Management69,465
Ethernet57,242
Network Architecture49,745
Network Connectivity47,067
Peer to Peer45,474
Remote Access39,090
Virtual LAN37,601
Point of Presence (POP)34,944
Post Office Protocol (POP)34,447
Network Attached Storage34,064
Border Gateway Protocol (BGP)33,719
Session Initiation Protocol (SIP)30,113
Network Monitoring29,820
Open Shortest Path First (OSPF)29,309
File Transfer Protocol (FTP)28,777
Software-Defined Wide Area Network (SD-WAN)28,551
Lightweight Directory Access Protocol28,347
Server Message Block (SMB)27,250
Data Transmission25,611
Networking Solutions25,302
Fiber Optics25,076
Public-Key Infrastructure (PKI)22,901
Infiniband (IB)22,818
Network Address Translation (NAT)21,604
Message Queuing Telemetry Transport (MQTT)21,324
Desktop Sharing20,950
5G20,665
Secure Shell (SSH)20,304
Routing Protocols20,288
Global Distribution System (GDS)20,198
Network Access Control (NAC)18,877
Content Delivery Network (CDN)18,072
User Datagram Protocol (UDP)17,648
Broadband17,339
Software-Defined Networking (SDN)16,644
Last Mile16,428
Subnet16,172
Remote Monitoring15,631
Simple Network Management Protocol (SNMP)15,572
Fault Tolerance14,972
Network Topology14,871
Long Term Evolution (LTE)14,135
4G13,696
EtherNet/IP Network13,554
IP Networks11,696
Extranets11,568
Network Optimization11,301
3G11,000
Data Networks10,929
Deep Packet Inspection (DPI)10,770
Digital Subscriber Line (DSL)10,491
Network Automation10,134
Indicators of Compromise (IOC)9,757
Network Time Protocol9,627
Internet Protocol Version 4 (IPv4)9,270
Internet Protocol Version 6 (IPv6)8,738
Network Traffic Analysis8,560
Remote Desktop Protocol (RDP)8,400
Remote Authentication Dial-In User Service (RADIUS)8,167
LayerOne8,102
MOST (Media Oriented Systems Transport)7,710
Aggregator7,465
Internet Relay Chat (IRC)7,299
iSCSI7,198
Data Center Networking6,805
Content Filtering6,715
Zero Trust Network Access (ZTNA)6,706
Application Layer6,573
Primary Rate Interface (PRI)5,879
Optical Networking5,824
Demilitarized Zone Technology5,304
Network Perimeter Security5,031
Fibre Channel4,624
Power over Ethernet (PoE)4,428
Tunneling4,373
Backhaul4,313
Internet Protocol Television (IPTV)4,297
Perfect Forward Secrecy (PFS)4,212
Broadband Over Power Lines (BPL)3,949
Ethernet Network3,933
Ethernet Networking3,933
Hybrid Fiber Coaxial (HFC)3,524
Azure PrivateLink3,275
Internet Control Message Protocol (ICMP)3,218
Highway Addressable Remote Transducer (HART)Protocol3,155
Network Functions Virtualization (NFV)2,886
Serializer/Deserializer (SerDes)2,597

Frequently asked questions

Companies implementing Simple Mail Transfer Protocol (SMTP)

List of companies that implement Simple Mail Transfer Protocol (SMTP)

What is Simple Mail Transfer Protocol (SMTP)?

What is Simple Mail Transfer Protocol (SMTP)?

How many companies implement Simple Mail Transfer Protocol (SMTP)?

How many companies implement Simple Mail Transfer Protocol (SMTP)?

What types of companies implement Simple Mail Transfer Protocol (SMTP)?

What types of companies implement Simple Mail Transfer Protocol (SMTP)?

How does TheirStack track companies related to Simple Mail Transfer Protocol (SMTP)?

How does TheirStack track companies related to Simple Mail Transfer Protocol (SMTP)?

How can I get the full list of companies that implement Simple Mail Transfer Protocol (SMTP)?

How can I get the full list of companies that implement Simple Mail Transfer Protocol (SMTP)?

How often is the company data updated?

How often is the company data updated?