Companies implementing Simple Mail Transfer Protocol (SMTP)

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

14,803

companies

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

CompanyCountryIndustryEmployeesRevenueTechnologies
Country flag

United States

Computer and Network Security

16k

$3.3B

Simple Mail Transfer Protocol (SMTP)

Country flag

United States

Computer and Network Security

5k

$1.1B

Simple Mail Transfer Protocol (SMTP)

Country flag

United States

Defense and Space Manufacturing

36k

$14B

Simple Mail Transfer Protocol (SMTP)

Country flag

United States

Computer and Network Security

21k

$6.2B

Simple Mail Transfer Protocol (SMTP)

Country flag

United States

IT Services and IT Consulting

103k

$7.9B

Simple Mail Transfer Protocol (SMTP)

Country flag

United States

IT Services and IT Consulting

207k

$50B

Simple Mail Transfer Protocol (SMTP)

Country flag

United States

Data Security Software Products

2.4k

$216M

Simple Mail Transfer Protocol (SMTP)

Country flag

France

IT Services and IT Consulting

420k

$24B

Simple Mail Transfer Protocol (SMTP)

Country flag

United States

Computer and Network Security

2.5k

$650M

Simple Mail Transfer Protocol (SMTP)

Country flag

United States

IT Services and IT Consulting

13k

$7B

Simple Mail Transfer Protocol (SMTP)

Showing top companies out of 14,803 that implement Simple Mail Transfer Protocol (SMTP). Get the full list on TheirStack.

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