IMAP Connection Error - ssl3_get_record:wrong version number

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 (

Hi @novafacile

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

Could you clarify which SSL version they’re using?

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 The error message indicates an outdated SSL version.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?

Hi @novafacile

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

You can report bug reports on actions and triggers here in our public Pipedream Github Repository:

A Pipedream team developer or community member will investigate and make a new version to attempt to fix it if they can reproduce the bug.

All Pipedream triggers and actions are open source, so you can also contribute your own fix if you’d like.

Learn about how to develop new and modify existing components here: Overview