rnwood / smtpserver Goto Github PK

using System.Net.Mail;
using System.Net.Mime;
using System.Text;

var smtpClient = new SmtpClient("localhost")
            {
                Port = 25,
            };

            var mailMessage = new MailMessage
            {
                From = new MailAddress("[email protected]"),
                Subject = "Latin test",
                //BodyTransferEncoding = TransferEncoding.,
                Body =
                    "<span>Homines in indicaverunt nam purus quáestionem sentiri unum. Afflueret contentus diam errore faciam, honoris mucius omnem pélléntésqué reiciendis. Acuti admissum arbitrantur concederetur dediti, ferrentur fugiendus inferiorem peccant ponti quando solam ullius. áb atilii concursio constituamus, définitioném diligenter graeci illam máius operis opinionum pótióne versatur. Alliciat aspernari consoletur disserunt, impendere interiret reliquarum verum. Convállis essent foedus gravida iustioribus, mox notissima perpaulum praeclare probatum, prohiberet sensibus. Condimentum efficeretur iis insipientiam, inutile logikh ne ornare, paulo primis primo pugnare putarent quiddam reperiuntur. \r\nCéramico cónsistat éiusdém licet offendimur, recusandae referendá. Cupiditatés hónesta musicis possent, respondendum sollicitudines. Breviter democrito dolor electram illa, ludicra non occulta pérféréndis principio servare suum tranquillitatem. Consentinis probatus qualisque tollatur veritatis. In inséquitur ortum pertinaces, sentit stoici sum téréntii.</span>",
                BodyEncoding = Encoding.Latin1,
                BodyTransferEncoding = TransferEncoding.EightBit,
                IsBodyHtml = true,
            };
            mailMessage.To.Add("[email protected]");

            smtpClient.Send(mailMessage);

System.InvalidOperationException : Collection was modified; enumeration operation may not execute.
   at System.Collections.Generic.List`1.Enumerator.MoveNextRare()
at System.Linq.Enumerable.CastIterator[TResult](IEnumerable source)+MoveNext()
at System.Collections.Generic.LargeArrayBuilder`1.AddRange(IEnumerable`1 items)
at System.Collections.Generic.EnumerableHelpers.ToArray[T](IEnumerable`1 source)
at Rnwood.SmtpServer.SmtpServer.KillConnections()
at Rnwood.SmtpServer.SmtpServer.Stop(Boolean killConnections)
at Rnwood.SmtpServer.SmtpServer.Stop()
at Rnwood.SmtpServer.SmtpServer.Dispose(Boolean disposing)
at Rnwood.SmtpServer.SmtpServer.Dispose()
at Octopus.IntegrationTests.Core.EmailSending.SmtpClientWrapperFixture.WhenSendingAnEmailToAServerWithNoTls_TheEmailShouldBeAccepted() in /opt/buildagent/work/abb2fbfce959a439/source/Octopus.IntegrationTests/Core/EmailSending/SmtpClientWrapperFixture.cs:line 44
at NUnit.Framework.Internal.TaskAwaitAdapter.GenericAdapter`1.BlockUntilCompleted()
at NUnit.Framework.Internal.MessagePumpStrategy.NoMessagePumpStrategy.WaitForCompletion(AwaitAdapter awaitable)
at NUnit.Framework.Internal.AsyncToSyncAdapter.Await(Func`1 invoke)
at NUnit.Framework.Internal.Commands.TestMethodCommand.RunTestMethod(TestExecutionContext context)
at NUnit.Framework.Internal.Commands.TestMethodCommand.Execute(TestExecutionContext context)
at NUnit.Framework.Internal.Execution.SimpleWorkItem.PerformWork()
------- Stdout: -------
11/30/2020 9:33:24 PM 34 Trace Connected to SMTP server smtp://localhost:37175/?starttls=when-available
11/30/2020 9:33:24 PM 34 Trace SMTP received: 220 ip-10-10-11-232 smtp4dev ready
11/30/2020 9:33:24 PM 34 Trace SMTP sent: EHLO [127.0.0.1]
11/30/2020 9:33:24 PM 34 Trace SMTP received: 250-Nice to meet you.
250-8BITMIME
250-SIZE
250 SMTPUTF8
11/30/2020 9:33:24 PM 28 Trace SMTP sent: MAIL FROM:<[email protected]>
11/30/2020 9:33:24 PM 28 Trace SMTP received: 250 New message started
11/30/2020 9:33:24 PM 32 Trace SMTP sent: RCPT TO:<[email protected]>
11/30/2020 9:33:24 PM 31 Trace SMTP received: 250 Recipient accepted
11/30/2020 9:33:24 PM 32 Trace SMTP sent: DATA
11/30/2020 9:33:24 PM 32 Trace SMTP received: 354 End message with period
11/30/2020 9:33:24 PM 32 Trace SMTP sent: From: [email protected]
To: [email protected]
Subject: Test subject
Date: Mon, 30 Nov 2020 21:33:24 +1000
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
11/30/2020 9:33:24 PM 32 Trace SMTP sent:
Test body
11/30/2020 9:33:24 PM 28 Trace SMTP sent:
.
11/30/2020 9:33:24 PM 12 Trace SMTP received: 250 Mail accepted
11/30/2020 9:33:24 PM 34 Trace SMTP sent: QUIT
11/30/2020 9:33:24 PM 12 Trace SMTP received: 221 Goodbye

lock(myCollection.SyncRoot)
{
    foreach (object item in myCollection)
    {
        // Insert your code here.
    }
}