https://bugs.exim.org/show_bug.cgi?id=2885
Bug ID: 2885
Summary: Emails to Gmail receive "Remote host closed connection
in response to end of data" (4.94.2 ok)
Product: Exim
Version: 4.95
Hardware: x86
OS: Linux
Status: NEW
Severity: bug
Priority: medium
Component: Delivery in general
Assignee: unallocated@???
Reporter: gibbathehutt@???
CC: exim-dev@???
We've tried upgrading from Exim 4.94.2-2 to 4.95-2.
4.94.2 is good, 4.95-2 produces the errors.
Emails to places like hotmail/Outlook/Yahoo etc are all fine.
Emails to gmail produce the message "Remote host closed connection in response
to end of data"
It seems to try several times, rotating through gmails alt servers. I.e full
messages for a single email send may be...
<id> <= <sourceemail> U=<username> P=local S=25937
<id> H=gmail-smtp-in.l.google.com [142.251.5.26]: Remote host closed connection
in response to end of data
<id> H=alt1.gmail-smtp-in.l.google.com [142.250.153.27]: Remote host closed
connection in response to end of data
<id> H=alt2.gmail-smtp-in.l.google.com [142.251.9.26]: Remote host closed
connection in response to end of data
<id> H=alt3.gmail-smtp-in.l.google.com [142.250.150.26]: Remote host closed
connection in response to end of data
<id> H=alt4.gmail-smtp-in.l.google.com [74.125.200.27]: Remote host closed
connection in response to end of data
<id> <receipientemail>R=dnslookup T=remote_smtp defer (-18)
H=alt4.gmail-smtp-in.l.google.com [74.125.200.27]: Remote host closed
connection in response to end of data
Maybe 20 mins later it can sometimes go through with...
R=dnslookup T=remote_smtp H=gmail-smtp-in.l.google.com [142.251.5.27] K C="250
2.0.0 OK <long id> - gsmtp
<id> Completed
Switching back to 4.94.2-2, all emails go through straight away..
<id> <recipientemail> R=dnslookup T=remote_smtp H=gmail-smtp-in.l.google.com
[74.125.140.26] TFO K C="250 2.0.0 OK <longid> - gsmtp"
Using a normal config with the following amendments.
EXIM_USER=exim
# LOOKUP_DNSDB=yes
DISABLE_TLS=yes
#SUPPORT_DANE=yes
CC=gcc -std=gnu99 -lrt
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