Statements (101)
| Predicate | Object |
|---|---|
| gptkbp:instance_of |
gptkb:protocol
|
| gptkbp:can |
email transactions
|
| gptkbp:can_be_configured_for |
to use different ports
SMTP authentication SMTP relay settings SMTP server settings |
| gptkbp:can_be_extended_by |
custom headers
ESMTP |
| gptkbp:can_handle |
multiple recipients
|
| gptkbp:can_queue |
emails
|
| gptkbp:can_relay |
emails
|
| gptkbp:dependency |
DNS records
|
| gptkbp:developed_by |
gptkb:IETF
|
| gptkbp:first_introduced |
gptkb:1982
|
| gptkbp:has_expansion |
ESMTP
|
| gptkbp:has_limitations |
ASCII characters
|
| gptkbp:home_port |
gptkb:25
465 587 |
| https://www.w3.org/2000/01/rdf-schema#label |
SMTP
|
| gptkbp:is_based_on |
client-server model
|
| gptkbp:is_compatible_with |
gptkb:POP3
gptkb:IMAP gptkb:FTP gptkb:HTTP |
| gptkbp:is_defined_by |
gptkb:RFC_5321
|
| gptkbp:is_documented_in |
technical specifications
|
| gptkbp:is_implemented_in |
email clients
email servers most email servers |
| gptkbp:is_monitored_by |
network monitoring tools
network tools email security solutions |
| gptkbp:is_not_encrypted_by_default |
gptkb:true
|
| gptkbp:is_not_reliable |
gptkb:true
|
| gptkbp:is_often_accompanied_by |
gptkb:DKIM
gptkb:DMARC SPF |
| gptkbp:is_often_used_in |
gptkb:POP3
gptkb:IMAP internet communications |
| gptkbp:is_part_of |
client-server architecture
email protocols application layer internet standards application layer of the Internet Protocol Suite email delivery process |
| gptkbp:is_standardized_by |
gptkb:IETF
|
| gptkbp:is_subject_to |
rate limiting
throttling spam filtering |
| gptkbp:is_supported_by |
most email clients
most email servers |
| gptkbp:is_tested_for |
SMTP diagnostics tools
email testing tools |
| gptkbp:is_used_by |
email clients
mail servers major email services |
| gptkbp:is_used_for |
sending emails
email transmission forwarding emails relaying emails |
| gptkbp:is_used_in |
web applications
system alerts business communications automated notifications retrieving emails personal communications |
| gptkbp:is_used_to |
send notifications
send alerts |
| gptkbp:is_vulnerable_to |
man-in-the-middle attacks
phishing spoofing spam |
| gptkbp:protocol |
gptkb:true
SMTP AUTH |
| gptkbp:receives |
gptkb:accessories
text messages |
| gptkbp:related_to |
gptkb:MIME
|
| gptkbp:replaces |
gptkb:RFC_821
|
| gptkbp:requires |
gptkb:DNS
domain name system (DNS) |
| gptkbp:secure_version |
SMTPS
|
| gptkbp:security |
gptkb:TLS/_SSL
gptkb:SSL/_TLS gptkb:true STARTTLS |
| gptkbp:state |
gptkb:true
|
| gptkbp:successor |
gptkb:RFC_821
|
| gptkbp:suitable_for |
instant messaging
real-time communication large file transfers retrieving emails |
| gptkbp:supports |
text/html
text/plain mail relay |
| gptkbp:used_for |
email transmission
|
| gptkbp:uses |
gptkb:TCP
commands and responses |
| gptkbp:bfsParent |
gptkb:Web
|
| gptkbp:bfsLayer |
3
|