如何正确设置日期范围（到分钟、秒）以接收来自电子邮件的信件

Question

Imports EAGetMail

Public Sub ReceiveMail( _
    ByVal sServer As String, _
    ByVal sUserName As String, _
    ByVal sPassword As String, _
    ByVal bSSLConnection As Boolean _
)
Dim oClient As New MailClient("TryIt")

Dim oServer As New MailServer(sServer, _
    sUserName, sPassword, bSSLConnection, _
    ServerAuthType.AuthLogin, ServerProtocol.Imap4)

Try
    oClient.Connect(oServer)

    Dim options As GetMailInfosOptionType = GetMailInfosOptionType.ReadOnly
    options = options Or GetMailInfosOptionType.DateRange
    options = options Or GetMailInfosOptionType.OrderByDateTime

    oClient.GetMailInfosParam.Reset()
    oClient.GetMailInfosParam.GetMailInfosOptions = options

    oClient.GetMailInfosParam.SubjectContains = "test"
    oClient.GetMailInfosParam.SenderContains = "support"
    oClient.GetMailInfosParam.DateRange.SINCE = System.DateTime.Now.AddMonths(-12)
    oClient.GetMailInfosParam.DateRange.BEFORE = System.DateTime.Now.AddDays(1)  

    Dim infos() As MailInfo = oClient.GetMailInfos()

...

Answer 1

IMAP 搜索不支持指定时间、句点。如果您想比当天更精确地缩小范围，则必须获取元数据并在客户端进行。

解决方案：您可以使用搜索来获取所需日期的消息 ID（请注意 IMAP 也不是真正的 TZ 感知，因此您可能需要额外获取一天），然后获取它们的 INTERNALDATE，并在客户端进行精细过滤，是的。 – 最大

如何正确设置日期范围（到分钟、秒）以接收来自电子邮件的信件

How to set the date range correctly (to the minute, seconds) in order to receive letters from the email

imap

date-range

mail-server