发送邮件时，nodemailer关闭连接并返回错误。我的脚本在桌面上运行良好，但是在vps上运行时，出现读取错误。
这是日志：
[2019-08-26 20:26:47] DEBUG Creating transport: nodemailer (6.3.0; +https://nodemailer.com/; SMTP/6.3.0[client:6.3.0]) [2019-08-26 20:26:47] DEBUG Sending mail using SMTP/6.3.0[client:6.3.0] [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] Resolved smtp.office365.com as 52.96.31.178 [cache miss] [2019-08-26 20:26:47] INFO [bVgvjxFT3Yo] Connection established to 52.96.31.178:587 [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] S: 220 BYAPR08CA0029.outlook.office365.com Microsoft ESMTP MAIL Service ready at Mon, 26 Aug 2019 20:26:33 +0000 [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] C: EHLO [127.0.0.1] [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] S: 250-BYAPR08CA0029.outlook.office365.com Hello [132.148.19.236] [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] S: 250-SIZE 157286400 [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] S: 250-PIPELINING [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] S: 250-DSN [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] S: 250-ENHANCEDSTATUSCODES [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] S: 250-STARTTLS [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] S: 250-8BITMIME [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] S: 250-BINARYMIME [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] S: 250-CHUNKING [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] S: 250 SMTPUTF8 [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] C: STARTTLS [2019-08-26 20:26:47] DEBUG [bVgvjxFT3Yo] S: 220 2.0.0 SMTP server ready [2019-08-26 20:26:57] ERROR [bVgvjxFT3Yo] read ECONNRESET [2019-08-26 20:26:57] DEBUG [bVgvjxFT3Yo] Closing connection to the server using "end" [2019-08-26 20:26:57] INFO [bVgvjxFT3Yo] Connection closed [2019-08-26 20:26:57] INFO [bVgvjxFT3Yo] Connection closed