IMAP Connection Error - ssl3_get_record:wrong version number

novafacile · September 27, 2022, 8:48pm

I would like to use an IMAP Source, but if I try to select a mailbox a ssl error occurs:

SSL routines:ssl3_get_record:wrong version number:../deps/openssl/openssl/ssl/record/ssl3_record.c:332:

It doesn’t matter if I use port 143 or 993.

I’m using a big german webhosting provider (all-inkl.com).

pierce · September 28, 2022, 1:28pm

Hi @novafacile

Have you opened a support ticket with this Email Service Provider?

Could you clarify which SSL version they’re using?

novafacile · September 28, 2022, 7:15pm

Hi @pierce

thanks for replay.

Feedback from provider:

You can use TLS 1.2 and TLS 1.3 on the server. The error message indicates an outdated SSL version.
Can you try it without SSL?
From which IP is the request being made?

pierce · September 29, 2022, 5:01pm

Hi @novafacile

It may be that the underlying NPM package for connecting to mailboxes has an issue:

github.com

PipedreamHQ/pipedream/blob/master/components/imap/imap.app.mjs#L1


      
          import Imap from "imap";
          import { simpleParser } from "mailparser";
          import util from "util";
          import Stream from "stream";
          
          
export default {
            type: "app",
            app: "imap",
            propDefinitions: {
              mailbox: {
                type: "string",

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