I was trying to compose a test message to myself.
this happened as I was trying to send it to the server.

23 October 2003 5:08:46 pm

VM: unix - Squeak3.7alpha of '11 September 2003' [latest update: #5430]
Image: Squeak3.6 [latest update: #5424]

Celeste(Object)>>error:
	Receiver: a Celeste
	Arguments and temporary variables: 
		aString: 	'error posting mail'
	Receiver's instance variables: 
		dependents: 	#(a SystemWindow(2689) a PluggableButtonMorph(1114) a
PluggableButt...etc...
		currentCategory: 	'.tosend.'
		currentMessages: 	an OrderedCollection(751396034)
		currentMsgID: 	nil
		customFilterBlock: 	nil
		lastCategory: 	''
		mailDB: 	a MailDB on 'EMAIL'
		messageTextView: 	a PluggableTextMorph(2321)
		participantFilter: 	''
		status: 	nil
		subjectFilter: 	''
		tocLists: 	#(an OrderedCollection('1') an OrderedCollection(' ') an
OrderedColle...etc...
		userPassword: 	nil

[] in Celeste>>sendMail:
	Arguments and temporary variables: 
		aCollectionOfMessages: 	an OrderedCollection(751396034)
		sender: 	'alangrimes at starpower.net'
		n: 	1
		message: 	Text: test 
		recipients: 	a Set('alangrimes')
		smtpClient: 	a SMTPClient
		a: 	'TelnetProtocolError: 501 <alangrimes>: recipient address must
contain a dom...etc...
		b: 	a SMTPClient
		progressBar: 	[] in ProgressInitiationException>>defaultAction
		id: 	751396034

BlockContext>>valueWithPossibleArgs:
	Receiver: [] in Celeste>>sendMail:
	Arguments and temporary variables: 
		anArray: 	#('TelnetProtocolError: 501 <alangrimes>: recipient address
must conta...etc...
	Receiver's instance variables: 
		sender: 	BlockContext>>valueWithPossibleArgs:
		pc: 	296
		stackp: 	0
		nargs: 	2
		startpc: 	291
		home: 	Celeste>>sendMail:

[] in BlockContext>>ifError:
	Arguments and temporary variables: 
		errorHandlerBlock: 	[] in Celeste>>sendMail:
		ex: 	TelnetProtocolError: 501 <alangrimes>: recipient address must
contain a dom...etc...


--- The full stack ---
Celeste(Object)>>error:
[] in Celeste>>sendMail:
BlockContext>>valueWithPossibleArgs:
[] in BlockContext>>ifError:
 - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
BlockContext>>valueWithPossibleArgs:
[] in MethodContext(ContextPart)>>handleSignal:
BlockContext>>ensure:
MethodContext(ContextPart)>>handleSignal:
TelnetProtocolError(Exception)>>signal
[] in SMTPClient(ProtocolClient)>>checkResponse
SMTPClient(ProtocolClient)>>checkResponse:onError:onWarning:
SMTPClient(ProtocolClient)>>checkResponseOnError:onWarning:
SMTPClient(ProtocolClient)>>checkResponse
SMTPClient>>recipient:
[] in SMTPClient>>mailFrom:to:text:
Set>>do:
SMTPClient>>mailFrom:to:text:
[] in Celeste>>sendMail:
BlockContext>>on:do:
BlockContext>>ifError:
[] in Celeste>>sendMail:
OrderedCollection>>do:
[] in Celeste>>sendMail:
ProgressInitiationException>>defaultAction
UndefinedObject>>handleSignal:
ProgressInitiationException(Exception)>>signal
ProgressInitiationException>>display:at:from:to:during:
ProgressInitiationException class>>display:at:from:to:during:
String>>displayProgressAt:from:to:during:
Celeste>>sendMail:
Celeste>>sendQueuedMail
Celeste>>perform:orSendTo:
[] in MenuItemMorph>>invokeWithEvent:
BlockContext>>ensure:
CursorWithMask(Cursor)>>showWhile:
MenuItemMorph>>invokeWithEvent:
MenuItemMorph>>mouseUp:
MenuItemMorph>>handleMouseUp:
MouseButtonEvent>>sentTo:
MenuItemMorph(Morph)>>handleEvent:
MorphicEventDispatcher>>dispatchDefault:with:
MorphicEventDispatcher>>dispatchEvent:with:
MenuItemMorph(Morph)>>processEvent:using:
MorphicEventDispatcher>>dispatchDefault:with:
MorphicEventDispatcher>>dispatchEvent:with:
MenuMorph(Morph)>>processEvent:using:
MenuMorph(Morph)>>processEvent:
MenuMorph>>handleFocusEvent:
[] in HandMorph>>sendFocusEvent:to:clear:
PasteUpMorph>>becomeActiveDuring:
HandMorph>>sendFocusEvent:to:clear:
HandMorph>>sendEvent:focus:clear:
HandMorph>>sendMouseEvent:
HandMorph>>handleEvent:
HandMorph>>processEvents
[] in WorldState>>doOneCycleNowFor:
Array(SequenceableCollection)>>do:
WorldState>>handsDo:
WorldState>>doOneCycleNowFor:
WorldState>>doOneCycleFor:
PasteUpMorph>>doOneCycle
-- and more not shown --