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Add an option to skip adding a User-Agent

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This commit is contained in:
grigorii 2024-02-23 14:41:58 -08:00
parent 68e6284e4e
commit a24906d185
1 changed files with 13 additions and 0 deletions
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13
msg.go
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@ -117,6 +117,9 @@ type Msg struct {
// sendError holds the SendError in case a Msg could not be delivered during the Client.Send operation // sendError holds the SendError in case a Msg could not be delivered during the Client.Send operation
sendError error sendError error
// noDefaultUserAgent indicates whether the default User Agent will be excluded for the Msg when it's sent.
noDefaultUserAgent bool
} }
// SendmailPath is the default system path to the sendmail binary // SendmailPath is the default system path to the sendmail binary
@ -192,6 +195,13 @@ func WithPGPType(t PGPType) MsgOption {
} }
} }
// WithNoDefaultUserAgent configures the Msg to not use the default User Agent
func WithNoDefaultUserAgent() MsgOption {
return func(m *Msg) {
m.noDefaultUserAgent = true
}
}
// SetCharset sets the encoding charset of the Msg // SetCharset sets the encoding charset of the Msg
func (m *Msg) SetCharset(c Charset) { func (m *Msg) SetCharset(c Charset) {
m.charset = c m.charset = c
@ -1166,6 +1176,9 @@ func (m *Msg) setEncoder() {
// checkUserAgent checks if a useragent/x-mailer is set and if not will set a default // checkUserAgent checks if a useragent/x-mailer is set and if not will set a default
// version string // version string
func (m *Msg) checkUserAgent() { func (m *Msg) checkUserAgent() {
if m.noDefaultUserAgent {
return
}
_, uaok := m.genHeader[HeaderUserAgent] _, uaok := m.genHeader[HeaderUserAgent]
_, xmok := m.genHeader[HeaderXMailer] _, xmok := m.genHeader[HeaderXMailer]
if !uaok && !xmok { if !uaok && !xmok {