Christoph Thiede uploaded a new version of Network to project The Trunk:
http://source.squeak.org/trunk/Network-ct.252.mcz

==================== Summary ====================

Name: Network-ct.252
Author: ct
Time: 27 November 2021, 8:59:27.874306 pm
UUID: bf93d391-f3f6-444e-a8f6-7a803f7e8439
Ancestors: Network-pre.250, Network-jar.250

Merges Network-jar.250 (allow unauthenticated SMTP login without username).

=============== Diff against Network-pre.250 ===============

Item was changed:
  ----- Method: SMTPClient>>login (in category 'private protocol') -----
  login
  	"Send HELO first"
  	self initiateSession.
  	self user ifNil: [^self].
+ 	self user ifEmpty: [^self].
  	self sendCommand: 'AUTH LOGIN ' , (self encodeString: self user).
  	[self checkResponse]
  		on: TelnetProtocolError
  		do: [ :ex | ex isCommandUnrecognized ifTrue: [^ self] ifFalse: [ex pass]].
  	self sendCommand: (self encodeString: self password).
  	self checkResponse!