private IEnumerable <EmailAddressPolicy> GetEmailAddressPoliciesToUpdate(ITaskContext taskContext, bool verifyOnly, IEnumerable <string> hybridDomains, out bool legacyDefaultPolicyNeedsUpgrade)
{
List <EmailAddressPolicy> list = new List <EmailAddressPolicy>();
legacyDefaultPolicyNeedsUpgrade = false;
IEnumerable <EmailAddressPolicy> emailAddressPolicy = base.OnPremisesSession.GetEmailAddressPolicy();
foreach (EmailAddressPolicy emailAddressPolicy2 in emailAddressPolicy)
{
bool flag = false;
bool flag2 = false;
foreach (ProxyAddressTemplate proxyAddressTemplate in emailAddressPolicy2.EnabledEmailAddressTemplates)
{
SmtpProxyAddressTemplate smtpProxyAddressTemplate = proxyAddressTemplate as SmtpProxyAddressTemplate;
if (!(smtpProxyAddressTemplate == null))
{
string proxyAddressTemplateString = smtpProxyAddressTemplate.ProxyAddressTemplateString;
int num = proxyAddressTemplateString.IndexOf("@");
string text = proxyAddressTemplateString.Substring(num + 1);
if (text.Equals(this.tenantRoutingDomain, StringComparison.InvariantCultureIgnoreCase))
{
flag2 = true;
}
else if (smtpProxyAddressTemplate.IsPrimaryAddress && hybridDomains.Contains(text, StringComparer.InvariantCultureIgnoreCase))
{
flag = true;
}
}
}
if (flag && !flag2)
{
if (emailAddressPolicy2.RecipientFilterType == WellKnownRecipientFilterType.Legacy)
{
if (emailAddressPolicy2.Name.Equals("default policy", StringComparison.InvariantCultureIgnoreCase))
{
legacyDefaultPolicyNeedsUpgrade = true;
list.Add(emailAddressPolicy2);
}
else if (!verifyOnly)
{
taskContext.Warnings.Add(HybridStrings.WarningHybridLegacyEmailAddressPolicyNotUpgraded(emailAddressPolicy2.Name));
}
}
else
{
list.Add(emailAddressPolicy2);
}
}
}
return(list);
}