我们在使用365个帐户发送邮件时遇到了一些网络用户的问题。我们正在使用最新版本的chilkat库，其他用户没有任何问题。
ChilkatLog:
SendEmail:
DllDate: Nov 28 2021
ChilkatVersion: 9.5.0.89
UnlockPrefix: AGPSFT.CB4022023
Architecture: Little Endian; 32-bit
Language: ActiveX
VerboseLogging: 0
Component successfully unlocked using purchased unlock code.
sendEmailInner:
renderToMime_pt1:
createEmailForSending:
Auto-generating Message-ID
--createEmailForSending
--renderToMime_pt1
sendMimeInner:
ensureSmtpSession:
ensureSmtpConnection:
smtpParams:
SmtpHost: smtp.office365.com
SmtpPort: 25
SmtpUsername: noreply@neinorhomes.com
SmtpSsl: 0
StartTLS: 0
--smtpParams
smtpConnect:
smtpHostname: smtp.office365.com
smtpPort: 25
connectionIsReady:
Need new SMTP connection
--connectionIsReady
smtpSocketConnect:
socketOptions:
SO_SNDBUF: 262144
SO_RCVBUF: 4194304
TCP_NODELAY: 1
SO_KEEPALIVE: 1
--socketOptions
--smtpSocketConnect
smtpGreeting:
readSmtpResponse:
SmtpCmdResp: 220 LO4P123CA0489.outlook.office365.com Microsoft ESMTP MAIL Service ready at Wed, 23 Nov 2022 12:33:11 +0000
--readSmtpResponse
--smtpGreeting
ehloCommand:
sendCmdToSmtp:
SmtpCmdSent: EHLO NHPTVA23<CRLF>
--sendCmdToSmtp
readSmtpResponse:
SmtpCmdResp: 250-LO4P123CA0489.outlook.office365.com Hello [62.87.75.208]
SmtpCmdResp: 250-SIZE 157286400
SmtpCmdResp: 250-PIPELINING
SmtpCmdResp: 250-DSN
SmtpCmdResp: 250-ENHANCEDSTATUSCODES
SmtpCmdResp: 250-STARTTLS
SmtpCmdResp: 250-8BITMIME
SmtpCmdResp: 250-BINARYMIME
SmtpCmdResp: 250-CHUNKING
SmtpCmdResp: 250 SMTPUTF8
--readSmtpResponse
--ehloCommand
This SMTP server supports STARTTLS. Automatically doing STARTTLS...
If you don't want TLS, set mailman.StartTLSifPossible equal to false (or 0)
startTLS:
sendCmdToSmtp:
SmtpCmdSent: STARTTLS<CRLF>
--sendCmdToSmtp
readSmtpResponse:
SmtpCmdResp: 220 2.0.0 SMTP server ready
--readSmtpResponse
clientHandshake:
clientHandshake2:
ProcessHelloRetryRequest:
readHandshakeMessages:
Failed to read beginning of SSL/TLS record.
b: 0
dbSize: 0
nReadNBytes: 0
idleTimeoutMs: 30000
--readHandshakeMessages
--ProcessHelloRetryRequest
--clientHandshake2
--clientHandshake
Client handshake failed. (1)
connectionClosed: 1
Failed to establish TLS connection.
--startTLS
--smtpConnect
--ensureSmtpConnection
--ensureSmtpSession
--sendMimeInner
--sendEmailInner
Failed.
--SendEmail
--ChilkatLog
Windows防火墙已禁用，防病毒为Sophos。我们测试了不同的端口(25,587等)。我读到防火墙的一些问题，但不知道是否添加程序规则或端口规则…
9.5.0.89升级到9.5.0.93
我相信9.5.0.93(于2022年11月18日发布)包含对此问题的修复。