Skip to main content

Apple Developer Docs

Fonts Symbols

Security / kSecAttrProtocolPOP3S

kSecAttrProtocolPOP3S

POP3 over TLS/SSL.

Declaration

let kSecAttrProtocolPOP3S: CFString

Open on developer.apple.com

SecurityGlobal Variable

iOS 2.0+iPadOS 2.0+Mac Catalyst 13.1+macOS 10.6+tvOS 9.0+visionOS 1.0+watchOS 2.0+

Built on 2026-05-07