> On Jun 27, 2019, at 5:58 AM, Richard Jones via Exim-users <exim-users@???> wrote:
>
> There have been a few mails about this recently, but I don't think they
> cover my case (nor is this about my previous mail about retry times)
There was a recent thread that's an excellent match, that reported
unexpected by Exim GnuTLS EAGAIN with TLS 1.3.
>
> I've sent a mail sent to my gmail account which is just sat in the
> queue, attempts to other gmail accounts fail similarly. Here's the short
> version:
>
> 10271 Connecting to gmail-smtp-in.l.google.com [2a00:1450:400c:c06::1a]:25 from 2a03:9800:10:6e:af5b:cd05:8290:26e8 ... 2a00:1450:400c:c06::1a in hosts_try_fastopen? no (option unset)
> 10271 connected
> 10271 SMTP<< 220 mx.google.com ESMTP z18si1497282wrn.66 - gsmtp
> 10271 SMTP>> EHLO smtp.junix.systems
> 10271 SMTP<< 250-mx.google.com at your service, [2a03:9800:10:6e:af5b:cd05:8290:26e8]
> 10271 250-SIZE 157286400
> 10271 250-8BITMIME
> 10271 250-STARTTLS
> 10271 250-ENHANCEDSTATUSCODES
> 10271 250-PIPELINING
> 10271 250-CHUNKING
> 10271 250 SMTPUTF8
> 10271 2a00:1450:400c:c06::1a in hosts_avoid_tls? no (option unset)
> 10271 SMTP>> STARTTLS
> 10271 TLS certificate verified: peerdn="C=US,ST=California,L=Mountain View,O=Google LLC,CN=mx.google.com"
> 10271 cipher: TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256
> 10271 SMTP>> EHLO smtp.junix.systems
> 10271 H=gmail-smtp-in.l.google.com [2a00:1450:400c:c06::1a] TLS error on connection (recv): Resource temporarily unavailable, try again.
Which is exactly this. IIRC there's a recent Exim patch, or you
can disable TLS 1.3, or switch to Exim built with OpenSSL.
--
Viktor.
